Twitter serves Family Guy writer/producer Alec Sulkin the way The New Yorker once served S. J. Perelman: as a venue in which to showcase his wares and develop celebrity caché outside of Hollywood proper. In front of the scenes.
No TV network or newspaper can convey the thoughts, sentiments and feelings of people on the ground as well as their own words can, but there are limitations to getting your news in 140 characters or less. That's where Tumblr comes in.
We pounced on Weiner for lying about his tweets, which he did out of a justified sense of embarrassment, all the while that we lie about the sexual eccentricities/pathologies of our own culture, which surely embarrass us.
You don't have to be at the Bonnie Craig murder trial--the dramatic cold case--nor do you have to wait until the story airs on the evening news or a reporter files a story online, or even for someone to drop a newspaper at your door, to get all the details from the courtroom proceedings.