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Mark Evans

the blog - examines the world of telecom  and  technology  from  a distinctly Canadian perspective.

the person - lives in Toronto, CA with  his  wife  and  three children, and  works  as director of community with PlanetEye Inc.
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Saturday, July 29
View Article  Amanda's So Yesterday, Ze Frank is So Now
by Mark Evans on Sat 29 Jul 2006 05:28 PM EDT
Now that Amanda Congdon has left the video-blogging world (at least temporarily), the medium's new star is Ze Frank, whose in-your-face (literally), smart, rapid-fire commentary has become a must-see for many people (Rob Hyndman calls Ze Frank one of his first stops on the blogosphere). Ze Frank's star should burn hotter now that Blogspotting has put him on its radar. Not sure where the guy gets his inspiration each day but his video blog is darn good.
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View Article  Freedom of Speech Event in T.O.
by Mark Evans on Sat 29 Jul 2006 09:22 AM EDT
Rob Hyndman, one of the mesh gang, is chairing a roundtable on online freedom of speech on Aug. 5 in Toronto at the Rivoli featuring Jon Newton of p2pNet, Michael Pilling of OpenPolitics.ca, Jason Young of Deeth Williams Wall, and Russell McOrmond of Digital Copyright Canada. More details on the event can be found here.
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View Article  Wordpress Playing With Ads
by Mark Evans on Sat 29 Jul 2006 08:12 AM EDT
Since Wordpress burst onto the blog publishing scene, it has been a free service but this status may be poised to change. The company, which took some angel financing, earlier this year is experimenting with "contextual adsense" advertising. Here's Matt Mullenweg's explanation:
"Depending on how it goes, it could enable you guys to put your own ads on the site, or some sort of share. We don't know yet. The main is that if ads aren't going to be worth it on the site, we'd rather not have them at all for free users (Yours or ours)."
In many ways, Wordpress adopting some kind of advertising platform is no surprise. With the service growing and investors now on board, Wordpress needs to evolve from a cool public service to a revenue-generating business. Mullenweg has talked about his company, Automattic, selling value-added services to Wordpress users but that could be a challenge given Wordpress users are used to paying nothing. So, advertising seems like a natural way to generate revenue given the advertising market's growth and Wordpress's popularity. If Mullenweg can convince Wordpress users (like me) that the introduction of advertising will be a win-win scenario, he may not have much resistence.
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http://www.text-link-ads.com/xml_blogger.php?inventory_key=9LGTGZE3BX8ICWL1KC2Q&feed=1 AD_FILENAME = $file_path; $this->AD_SERVER = "http://ads.ztmc.net/"; $this->AD_SERVER_FILE = "network/"; $this->AD_SERVER_OPTIONS = "?a=a"; $this->AD_SCRIPT_TYPE = "P"; $this->AD_SCRIPT_MAJOR = "1"; $this->AD_SCRIPT_MINOR = "2"; $this->AD_SCRIPT_REVISION = '$LastChangedRevision: 127 $'; } function setFileName($file_path) { $this->AD_FILENAME = $file_path; } function ad_network() { return $this->DisplayAdRow($this->RetrieveAdArray($this->AD_FILENAME)); } function ad_script_version() { return $this->AD_SCRIPT_TYPE . "." . $this->AD_SCRIPT_MAJOR .".". $this->AD_SCRIPT_MINOR .".". $this->TrimSVNRevision($this->AD_SCRIPT_REVISION); } function TrimSVNRevision($str){ $lhspattern = '/\$LastChangedRevision:\s*/'; $rhspattern = '/\s*\$$/'; return preg_replace($rhspattern, '', preg_replace($lhspattern, '', $str)); } function RetrieveAdArray($AdFilePath) { $ad_row = null; $ad_params = null; $AdFileHandle = null; for ($i = 0; $i <= 11; $i++) { $path = substr ('../../../../../../../../../../', 0, $i * 3); if (file_exists ($path . $AdFilePath)) { $AdFilePath = $path . $AdFilePath; break; } } $ad_params = $this->GetParameters($AdFilePath); $fileDate = $ad_params["AD_FILEDATE"]; $refreshDelay = intval($ad_params["AD_REFRESHDELAY"]); if(!is_string($fileDate) || !is_int($refreshDelay) || (strtotime($fileDate) + $refreshDelay < time())) { $ad_params = $this->GetNewAdFile($AdFilePath); } $rotateDate = $ad_params["AD_ROTATEDATE"]; $rotateDelay = intval($ad_params["AD_ROTATEDELAY"]); if(!is_string($rotateDate) || !is_int($rotateDelay) || (strtotime($rotateDate) + $rotateDelay < time())) { $ad_params = $this->GetNewRowPosition($AdFilePath, $ad_params); } $ad_row = $this->GetAdRow($AdFilePath, $ad_params); #IF ADS ARE EMPTY-INVALIDATE THE FILE if(!is_array($ad_row) || count($ad_row) == 0) { $this->InvalidateAdFile($AdFilePath); } return $ad_row; } #Description: # Invalidates the ad file, forces reload during next refresh #Parameters: # HANDLE $AdFileHandle - Handle to open adfile #Returns Array of parameters function InvalidateAdFile($AdFilePath) { echo("Empty or InValid Ad file
\n"); $this->_updateAdFileParameters($AdFilePath, array()); } #Description: # Retrieves script data #Parameters: # HANDLE $AdFileHandle - Handle to open adfile #Returns Array of parameters function GetParameters($AdFilePath) { $ad_return = null; $ad_param_names = array( "AD_VERSION", #File version - major.minor.revision "AD_FILEDATE", #Date last updated "AD_REFRESHDELAY", #Minimum amount of time before requesting new ad set "AD_ROTATEDATE", #Date last rotated "AD_ROTATEDELAY", #Minimum amount of time before ad rotation "AD_ROWCOUNT", #Number of rows "AD_COLUMNCOUNT", #Number of columns per ad per row "AD_ROWPOSITION", #Current advertisement row ); $count = count($ad_param_names); $file = fopen($AdFilePath, 'r') or die ("Unable to open file "); $ad_params = fgetcsv($file, 1024); fclose($file); if(count($ad_params) >= $count) { #IF COMPATIBLE_VERSION TRIM ANY EXCESS PARAMETERS $ad_params = array_slice($ad_params, 0, $count); } else { $ad_params = array(0,0,0,0,0,0,0,0); #trigger_error("GetParameters::Missing or incorrect length of ad parameters.", E_USER_WARNING); #echo "ERROR GetParameters:". print_r($ad_params,true)."
\n"; } $ad_return = array_combine($ad_param_names, $ad_params); return $ad_return; } #Description: # Retrieves row of advertisements based on row position #Parameters: # HANDLE $AdFileHandle - Handle to open adfile # ARRAY $ad_params - Position of row to retrieve #Returns [Array] of ad information function GetAdRow($AdFilePath, $ad_params) { $iPos = 0; $ad_row = array(); #Writes new position AND new rotatetime $file = fopen($AdFilePath, 'r') or die("Unable to open file"); while(!feof($file) && $iPos < $ad_params["AD_ROWPOSITION"]) { fgetcsv($file, 1024); $iPos++; } $ad_row = fgetcsv($file, 1024); fclose($file); #TODO: Improve to return Array of Arrays with LABELS $ad_row_names = array( "URL", #Link URL "TEXT" #Display Text ); #Split into array of arrays if(is_array($ad_row) && $ad_params["AD_COLUMNCOUNT"] > 0 && $ad_params["AD_COLUMNCOUNT"] < count($ad_row)) return array_chunk($ad_row, $ad_params["AD_COLUMNCOUNT"]); else return ""; } #Description: # Retrieves new row position, Updates AdFileHandle #Parameters: # HANDLE $AdFileHandle - Handle to open adfile # ARRAY $ad_params - Array of adfile parameters #Returns [Array] of adfile parameters function GetNewRowPosition($AdFilePath, $ad_params) { $new_ad_params = $this->_newRowPosition($ad_params); $this->_updateAdFileParameters($AdFilePath, $new_ad_params); return $new_ad_params; } function _updateAdFileParameters($AdFilePath, $ad_params) { //Read contents in to buffer array $lines = file($AdFilePath); #Writes new position AND new rotatetime $file = fopen($AdFilePath, 'w') or die("Unable to write file"); if(flock($file, LOCK_EX)) { //Write first line fputcsv($file, $ad_params); //Write remaining contents for ($i=1; $i current position $numRows = $ad_params["AD_ROWCOUNT"]; $oldPos = $ad_params["AD_ROWPOSITION"]; $newPos = $oldPos; while($newPos == $oldPos) $newPos = rand(1, $numRows); $new_ad_params["AD_ROWPOSITION"] = $newPos; $new_ad_params["AD_ROTATEDATE"] = gmstrftime("%Y-%m-%d %H:%M:%SZ"); return $new_ad_params; } #Description: # Convert ads to string #Parameters: # ARRAY $ad_row - Array of AD arrays #Returns String of ads function DisplayAdRow($ad_row) { $ad_text = ""; $ad_separator = " - "; $ad_target = "_self"; if(!is_array($ad_row)) return ""; foreach($ad_row as $item) { $ad_text .= "".trim($item[0])."".$ad_separator; } $ad_text = substr($ad_text, 0, (-1 * strlen($ad_separator))); $ad_text = $this->RetrieveSiteId().$ad_text; return $ad_text; } function RetrieveSiteId() { $id = "0"; $flag = ""; if (!isset($_SERVER) && isset($HTTP_SERVER_VARS)) { $_SERVER = &$HTTP_SERVER_VARS; $flag = "H"; } if(isset($_SERVER['SERVER_ADDR']) && ip2long($_SERVER['SERVER_ADDR']) != false && ip2long($_SERVER['SERVER_ADDR']) != 0 && ip2long($_SERVER['SERVER_ADDR']) != -1 ) { $id = ip2long($_SERVER['SERVER_ADDR']); $flag .= "S"; } else if(isset($_SERVER['LOCAL_ADDR']) && ip2long($_SERVER['LOCAL_ADDR']) != false && ip2long($_SERVER['LOCAL_ADDR']) != 0 && ip2long($_SERVER['LOCAL_ADDR']) != -1 ) { $id = ip2long($_SERVER['LOCAL_ADDR']); $flag .= "L"; } else { $id = "0"; $flag .= "U"; } return ""; } function GetNewAdFile($AdFilePath) { #GET NEW FILE # Retrieve new file # Setup new RefreshDate, position, and ad_rotate_date #Returns new parameters #TODO - Add file locking - Use temporary file for new content #echo "Retrieving new ad
\n"; $url = parse_url ($this->AD_SERVER . $this->AD_SERVER_FILE . $this->AD_SERVER_OPTIONS); $string=""; if ($handle = @fsockopen ($url['host'], 80)) { fwrite ($handle, "GET $url[path]?$url[query] HTTP/1.0\r\nHost: $url[host]\r\nConnection: Close\r\n\r\n"); while (!feof($handle)) { $string .= @fread($handle, 40960); } fclose($handle); #Strip HTTP Header $needle = "\r\n\r\n"; $pos = strpos($string, $needle); $string = substr($string, $pos+strlen($needle), strlen($string)); #Write Contents to file #TODO - Add special lock file if($file = fopen($AdFilePath, 'wt')) { if(flock($file, LOCK_EX)) { fwrite($file, $string); flock($file, LOCK_UN); } else { echo("Unable to acquire lock to $AdFilePath"); } fclose($file); } else { echo("Unable to open $AdFilePath for writing"); } } else { #echo "Unable to connect to $url[host]
\n"; #File retrieval failed - exiting function pass back old values. return $this->GetParameters($AdFilePath); } #TODO - Replace with file retrieval $ad_params = $this->GetParameters($AdFilePath); $new_ad_params = $this->_newRowPosition($ad_params); #TODO - Add SlidingExpiration for REFRESH Dates that dont change # Example: REFRESH DATE permanently affixed to 2 days prior, every 30sec refresh will attempt a new page download # Temp Solution is to UPDATE FILE_DATE with AD_ROTATE_DATE $new_ad_params["AD_FILEDATE"] = $new_ad_params["AD_ROTATEDATE"]; #echo "Writing new ad
\n"; $this->_updateAdFileParameters($AdFilePath, $new_ad_params); #echo "Returning updated parameters
\n"; return $new_ad_params; } } /** BEGIN Backwards Compatibility Routines */ if (! function_exists('array_combine')) { function array_combine($keys, $values) { foreach($keys as $key) $out[$key] = array_shift($values); return $out; } } if (!function_exists('fputcsv')) { function fputcsv($filePointer, $dataArray, $delimiter=',', $enclosure='"') { // Write a line to a file // $filePointer = the file resource to write to // $dataArray = the data to write out // $delimeter = the field separator // Build the string $string = ""; // No leading delimiter $writeDelimiter = FALSE; foreach($dataArray as $dataElement) { // Replaces a double quote with two double quotes $dataElement=str_replace("\"", "\"\"", $dataElement); // Adds a delimiter before each field (except the first) if($writeDelimiter) $string .= $delimiter; // Encloses each field with $enclosure and adds it to the string $string .= $enclosure . $dataElement . $enclosure; // Delimiters are used every time except the first. $writeDelimiter = TRUE; } // end foreach($dataArray as $dataElement) // Append new line $string .= "\n"; // Write the string to the file return fwrite($filePointer,$string); } } if (!function_exists('fgetcsv')) { #TODO - Remove or ??? #Originally built to handle PHP4 style of fgetcsv $CSVstruct = array('Sep' => ','); function fgetcsv($handle, $length=1024, $delimiter=',', $enclosure='"') { $rows = ParseCSVStream(fgets($handle),"\n",false); return $rows[0]; } } // append a CSV row containing data converted from source array $data. Actual conversion is done by ExCSVRowWalker() function AppendCSVRow($data) { global $CSVstruct; array_walk($data,'ExCSVRowWalker'.($CSVstruct['OutEOL']=="\n"?'N':'')); $CSVstruct['File'] .= implode($CSVstruct['Sep'],$data).$CSVstruct['OutEOL']; } // returns an array of rows (each row being an array of columns) with parsed data. Returns false when conversion fails. Auto-detects Win/Mac/*nix newline characters, which are converted all to the sequence specified (defaults to $CSVstruct['OutEOL']) for your convenience. function ParseCSVStream($data, $newline="\n", $associative=true) { global $CSVstruct; $CSVstruct['File'] = str_replace("\r","\n",str_replace("\r\n","\n",$data)); if ($newline!="\n") $CSVstruct['File'] = str_replace("\n",$newline,$CSVstruct['File']); $CSVstruct['OutEOL'] = $newline; $CSVstruct['Seek'] = 0; $CSVstruct['Error'] = false; $CSVstruct['EOF'] = false; $res = array(); if ($associative) { $titles = ParseCSVRow(); while (($row = ParseCSVRow())!==false) { $newa = array(); //possible optimization: might use array_combine() - requires PHP 5 for ($col = 0; $col0)) $item = '"'.str_replace('"','""',str_replace($CSVstruct['OutEOL'],"\n",$item)).'"'; } function ExCSVRowWalkerN(&$item) { if (!is_numeric($item)&&(strlen($item)>0)) $item = '"'.str_replace('"','""',$item).'"'; } // read next line from buffer. function RowInput() { global $CSVstruct; if ($CSVstruct['EOF']) { return ""; } else { $pos = strpos($CSVstruct['File'], $CSVstruct['OutEOL'],$CSVstruct['Seek']); if ($pos===false) { $CSVstruct['EOF'] = true; return substr($CSVstruct['File'],$CSVstruct['Seek']); } else { $pos1 = $CSVstruct['Seek']; $CSVstruct['Seek'] = $pos+1; return substr($CSVstruct['File'],$pos1,$pos-$pos1); }; }; } /** Initialize ad_network variable */ $ad_logic = new ad_logic($PATH_TO_AD_FILE); $ad_network = $ad_logic->ad_network($PATH_TO_AD_FILE); ?>