Facebook's efforts to make money from mobile are young -- but the payoff already looks big.
Fantasy stock market site is about to let users attach real money to their accounts in a direct challenge to the $11.5 trillion U.S. mutual fund industry.
The community site, which lets stock traders create fantasy portfolios, gets SEC approval to be an investment adviser. Real money is to follow.
U.S. cell phone giants will earn billions from IM and downloads. But revenue still has hang-ups.
Two research firms and Amazon.com confirm earlier numbers suggesting another record year for online holiday sales.
Sprint, others hope to hear more ka-ching with "bling tones," cellular ring tones created by hip-hop artists.