Shake, rattle and rock ‘n’ roll! AT&T Inc. (NYSE:T) and Sony Ericsson today announced the availability of the Sony Ericsson W760a Walkman™ phone — the first 3G Walkman™ phone in the U.S. The W760a delivers one of the most well-rounded, on-the-go entertainment and music experiences today and features an accelerometer that gives customers the ability [...]