ALSO NOTED: How much spectrum do they have? WiMAX's financial impact; and much more...

> Mobile social networking revenues climb to $412M by 2012.

> Volkswagen drives multi-platform polling campaign.

> AskMeNow mobilizes the Money Channel.

> A new study claims that mobile ads bolster moviegoer awareness.

> How much spectrum do AT&T and Verizon Wireless have?

> Motorola: WiMAX won't have a financial impact until next year.

And Finally... Urban miners scavenge old mobile phones for embedded gold and iridium. Article