Freshbooks has unveiled a new version of its Web-based invoicing service - v3.5. One thing that makes v3.5 different is Freshbooks asks for the user's profession/industry. So what do you get for disclosing some personal information? Well, Freshbooks will produce comparative business metrics that users can apply to their own businesses. Freshbooks is also going to sift through its records for the best performers in each sector, and then interview them for tips that will shared. Here's the Freshbooks post on its plans.