Tom Dunlap

Facebook, Twitter, and other social media networks have been dominating the news lately: President Obama with his town hall meeting at Facebook, we read a chilling report about "Facebook Depression," and multiple stories have tracked what Charlie Sheen or Miley Cyrus (who's back on Twitter!) is tweeting about.

But aren't Facebook and Twitter always in the news these days? The media's love affair with social media knows no bounds--and it's out of control, if you ask me. It feels as though our social media obsession has reached some kind of tipping point.

Time Warner Cable Friday added 19 TV channels to its iPad app offerings just a day after Fox Cable, Viacom, and Discovery Networks forced the cable company to pull from its iPad app the channels MTV, Comedy Central, and Nickelodeon. New channels include CNN, Bravo, ESPNnews, and A&E, to name a few.

The moves underscore tensions between cable companies and broadcasters as they move into the digital era of making content available to their customers on mobile devices such as tablets and smartphones. Does Time Warner Cable (TWC) have the rights to beam the TV shows it buys from Fox, Viacom, and Discover over the Internet to its customers? There is no clear answer to that question.

News Corp. is still on a desperate quest to unfriend Myspace--this time reaching out to online music video network Vevo, according to reports.

Everywhere I go these days, my friends slam laptops. They tell me my PC of choice is a dying breed and sing the praises of their new, "post-PC" Apple iPad.

Lenovo ThinkPad X30They carefully pull out their Apple device. I admire it and then say: "So where do you insert the DVD? How do you bang out a long e-mail on a touch keyboard? Oh, and guess how much less I paid for my little Lenovo ThinkPad X30 laptop than you did for your iPad."