TV Guide Digital has fared well between its web portal and mobileapps, but part-owner CBS thinks there's a lot of potential locked away. Enough so, in fact, that CBS is taking over TV Guide Digital by acquiring Lionsgate's remaining 50 percent stake in the venture. The media giant now has full control of both TVGuide.com and the TV Guide Mobile apps, both of which are folding into CBS Interactive's Technology, Games and Lifestyle division. CBS mostly hopes that the deal will make it a font of wisdom for channel surfers -- it sees TV Guide Digital's rapidly growing audience and programming knowledge as complements to TV.com. We don't yet know how the acquisition will affect the TV Guide properties themselves, but we'd expect more than just the status quo.