Social networking continues intrude itself on all aspects of American life. An example: today TiVo announced that it is integrating its TV navigation software with Facebook’s social media platform, allowing DVR users to share details about the show they’re watching with their Facebook friends in real time. This new feature will only be available to viewers who have downloaded the TiVo app on their iPhone or iPad. TiVo was one of the companies that Facebook talked about at its f8 developers conference last Thursday, where the company showed off new features for its website. Facebook has also teamed up with Netflix and Hulu to allow online video users to share details about what TV shows they’re watching. Comcast, meanwhile, announced that its next-generation interactive program guide will allow subscribers to post messages on their Facebook walls about what shows they’re watching.