Image by Em.Cee via FlickrTechCrunch: Begun, The Sticker Wars Have: Right now, many people (probably most people) have no idea what a check-in is. When Gap launched its free jeans deal, people were actually visiting the company’s Facebook Page to write “checking in“, rather than using the Places function on Facebook’s mobile application.That would be like someone sent you an email that was 140 characters or less, say over Gmail, and claimed they just sent you a tweet. Emails with such discipline would be nice to read, but are they tweets?
