When Google acquired Slide way back in August of 2010, when it was warm and sunny and phones only had single-core processors, the plan was to "build a more social web." Now we know a little more about that plan sort of. A new app from Slide has just hit the app store and an accompanying site has just hit the internets. It's called Disco, a group texting service that has an app and a web interface. When you sign up you're assigned a new phone number (ours was a 302 -- hello Deleware) and you're invited to send texts to a number of people, any peop