Microsoft and Verizon might think all the kids want to do with their new Kin phones is pay absurd data rates for a half-baked Twitter experience, but it turns out Generation Upload is still actually just Generation Text Message. That's at least the word according to a Pew Internet Research survey published on April 20th and neatly summed up by a new Flowlogic infographic published today -- only 23 percent of American teenagers with cellphones use social networks with their phones, while 72 percent of all teens use text messaging. You might argue that Kin seeks to flip that balance, but Pew found that 63 percent of teens with cell