RIM hit with patent-infringement claim; Sony Ericsson kicks off Twitter Cup for soccer fans

> Prism technologies filed a patent-infringement claim against Research In Motion with the U.S. International Trade Commission, claiming RIM's BlackBerry devices, software and servers infringe on its patent for an authentication system. Article

> Sony Ericsson announced the launch of Twitter Cup, a new social networking initiative enabling soccer fans to support their team online or via their mobile device. Article

> Mobile commerce cashed in and saw green during Black Friday. Commentary

> RIM joined the Wireless Power Consortium, which promotes a single, interchangeable charger for electronic devices. Release

> TeleCommunication Systems announced a $170 million agreement to acquire mobile navigation and local search solutions provider Networks In Motion. Article

And finally... A recent study conducted by the Center for Connected Health found text message reminders are an effective way to get people to apply sunscreen. Release