Meet a cool entrepreneur, investor, or tech person? Just ask for their twitter handle, text it to 203-403-NAME (203-403-6263), and instantly get a vcard for them that you can easily import into your phone or computer address book. It pulls a surprising amount of public and semi-public information from a variety of social and other sources. Some information that can be included: full name, company and title, email (occasionally), phone number (occasionally), home page url, home location (generally city-level), description, summary, Klout, photo, facebook profile link, and other social profile pages.
Although there is plenty of negative news about how social media is invading our privacy and affecting our society as a whole, it appears popularity hasn't waned. In this article we present the ten most popular Social APIs as determined by website traffic on ProgrammableWeb.