Yelp may be the raconteur of restaurant recommendations and Foursquare the cardinal of check-ins, but Google has an ace up its sleeve: NFC chips. The company's embedded near-field communications chips into each and every one of these "Recommended on Google Places" window stickers, which you'll be able to trigger with a shiny new Nexus S -- just hold your handset up to the black dot, and voila, your phone gets a "tag." Google's now distributing the signs on a trial basis to Portland, Oregon businesses ...
Mobile VC Investment Was A Massive $6.1B In 2010. Google, Intel Led The Way

Boutique investment house Rutberg & Company have released their numbers on VC and M&A activity in the mobile sector, and the figures confirm that 2010 was a doozy.
Mobile now represents 34 percent of all tech venture capital, according to research from CapitalIQ.
Apple has long touted its Mac products as not having viruses like PCs and some of this is how the system was created but most of this was because it had a relatively low market share so virus makers targeted the larger audience.
http://www.intomobile.com/2010/12/30/apple-iphone-geolocation-security/