MobileMonday NYC founder and prolific mobile entrepreneur David Harper (Winksite, Delivr, PercentMobile) has  co-founded another  new venture. It’s Go800 (go800corp.com), and it allows people to call your phone by texting your Twitter name to 46800 (“go800” on phone keypads).  You can connect your Go800 enabled name to just about any sort of phone number, including mobile, landline, Skype, toll-free or Google Voice numbers. The default is for your Go800 name to be public, meaning anyone who knows your Twitter name … Continue reading →