It's because people are getting more socially stupid. With the advancements in technology, socializing has become more staring at your smartphone than talking face-to-face with someone.
I'll never use Twitter, but I'm stuck with a choice between not getting news from friends or having the stupid Facebook. Honestly, if I knew nothing big was going to happen with my friends I'd ditch Facebook but I missed out on a lot the first few months after I moved away before I got Facebook.
Because when you're plugged into the Matrix, nothing is more exciting then staring down into your little hand-held devices. (Its OK just take the red pill and when you wake up, you'll be cursing yourself for not taking the blue pill)