ALSO NOTED: Sprint, T-Mobile USA go to Supreme Court; Daily Trivia; and much more...

> Sprint and T-Mobile USA asked the Supreme Court to review a lower court's ruling that overturned an FCC decision to preempt states from regulating line-item charges on wireless bills. Article

> Ovum says forget dual-mode hype. Article

> KTF to take on SK Telecom with HSDPA. Article

> Virgin Media's Q4 shows mobile acquisition as driving force for growth. Article

> A closer look at Windows Mobile 6. Article

> Boingo Wireless announces Boingo Mobile. Article

And Finally... During what month and year did RIM reach the milestone of having 1 million BlackBerry users? Submit your response here.

Yesterday's question: Who is the next largest iDEN service provider after Sprint/Nextel? Answer: I meant to add on "in the U.S." so Southern LINC was the answer I was looking for. International contenders include Brazil's NII/Nextel International and Telus. First correct answers came from: Cliff Raskind, Strategy Analytics; Ed Bachner, Rosetta-Wireless; Rick Christiaanse, Shift Networks; Ryan Larson, NISC; Michael Siegle, T-Mobile USA