An earlier version of this piece incorrectly compared Facebook's quarterly average revenue per user (ARPU) to the annual ARPU that would justify its IPO share price. Facebook's annualized ARPU is currently $5.12; it would need to rise above $33 with its current user base to justify a $38 share price.
New data from VC Mary Meeker vividly illustrates just how quickly mobile use is taking off around the world -- and how hard it is for companies to capitalize on it.
Mobile network operators at Mobile World Congress press for better government treatment, fewer free services, and no unlimited data plans.
The $45 billion deal has the potential to shake up the pay-TV business -- or does it? CNET explains how it affects you.
A massive charge from the T-Mobile USA and MetroPCS merger hits T-Mobile's bottom line for the third quarter.
commentary If you believe Facebook's stock is a buy after its post-IPO fall, read this before calling your broker.
At more than 164 pages, the social network's prospectus obscures a number of fun factoids that you don't want to miss.
Carrier reports a fourth quarter loss of $20 million up from a loss of $8 million a year earlier as the company spends more to acquire new customers.
In part 2 of the guide, CNET explains the difference between postpaid and prepaid, and why M2M isn't some new chocolate candy.