Link shortening is no longer just something you do to fit into tweets or keep emails from wrapping. For many, especially those in marketing, it's also a great way to track clicks as their content gets spread across the web. BudURL keeps its focus on fulfilling the link shortening needs of businesses. And now it's added a professional version with custom URLs, analytics and a BudURL.Pro API to access it all.
David Engel and Brian Rucker found themselves wondering about mobile versions of websites. The system they built to detect whether mobile sites are displayed for five mobile operating systems is now available as the Company Data Trees Mobile Website Detection API and is the first "branch" of their new venture, Company Data Trees. When Engel and Rucker ran the top 200 sites (according to Alexa), they found about half have no mobile site, including LinkedIn and PayPal.