TechCrunch writes, Crazy Egg, a company that helps website owners to visualize visitor activity, has acquired the web toolbar product Hello Bar. The Hello Bar is a customizable, relatively unobtrusive bar that sits at the top of a website and directs visitors with a call to action. For example, the bar on Gary Vaynerchuk’s website prompts visitors to “Circle me up on Google+!”, while the one at Eric Ries’ Startup Lessons Learned points to the video of his Lean Startup track at this year’s SXSW. Amee Shah, who runs Crazy Egg’s day-to-day operations, says the company was looking...