Tribune Co. announced that it is acquiring TV ratings website TV By The Numbers and will be using it to relaunch Zap2It.com. Zap2It is a website that helps TV watchers find shows that they like. Tribune’s Digital Ventures arm is acquiring TV By The Numbers from Bill Gorman and Robert Seidman. Gorman and Seidman will continue working on the website. Tribune did not disclose the financial details of the acquisition.