Twitter founder formally unveils 'Square' project
Small business is front and center for Square, the new mobile-payments company founded by Twitter co-founder Jack Dorsey. Previously in a quasi-stealth mode (OK, more like San Francisco's worst-kept secret), Square has now launched in beta, is accepting e-mail requests for preliminary accounts, and has put up a basic Web site to explain the company's premise.
The Square hardware is a small, inexpensive card reader that plugs into the audio jack of a compatible device, including a mobile phone (it's starting with the iPhone and currently has job postings up for BlackBerry and Android engineers). It processes … Read more
