Friends Swap Twitters, and Frustration

WSJdpatton writes "The growth of services like Twitter and Dodgeball, which tie together instant messaging, social networking and wireless communication, elicits mixed feelings in the technology-savvy people who have been their early adopters. Fans say they are a good way to keep in touch with busy friends. But some users are starting to feel 'too' connected, as they grapple with check-in messages at odd hours, higher cellphone bills and the need to tell acquaintances to stop announcing what they're having for dinner."