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So it doesn't matter if you keep a profile blank to avoid ad targeting, FB files a patent for a technique that infers targeting from the interests of one's friends.

Targeting friends of fans 

"Ian Heidt, director of product management for Qualcomm Labs, said the technology pulls in information from a variety of sensors on the phone, how consumers use the phone, including the camera, and location to create a unique fingerprint. "In early trials in Japan, we've seen improvement on targeting," he said. "It shows how mobile and content change the behavior of consumers." Trials conducted by Blogwatcher in Japan found that consumers were three times more likely to click through and respond to WITYU notifications and offers as compared with non-contextualized and non-personalized offers. Click-through rates rose by more than 60% when specials and offers were delivered to consumers."

Axis for tablet, smartphone and desktop devices. The browsers will eventually support a combination of paid-search and display ads, along with cross-platform ad targeting and search functions.

target concierge program to help people select the right products -- debut in chicago

Leake says LocalResponse will deliver the ads in two ways: If you mention a company on Twitter, you'll receive a response that links to a relevant retailer landing page. Even more impressive, you'll see banner ads in some mobile apps that can expand and show you the store's circular. (The latter feature is only available in-app currently, but Leake says it will be available for the mobile web by the fourth quarter.) I asked if any consumers were weirded out by this very direct ad targeting, but Leake said the response has been overwhelmingly positive. She said that consumers realize their check-in data and social media posts are public (unless they've been locked down). Additionally, LocalResponse is very careful to share intent data only with the relevant brand (so a check-in at Macy's won't be seen by any competitors).

Specifically talks about Target and Best Buy learnings

National to local targeting>?

Can target on job title, company name, or LinkedIn group level

Hey pop culture trendspotting for ad targeting

Thinking about geo-targeting with cookies and best practices

Ad targeting in political campaigns

foursquare rolling out daily deals from living social, gilt city, at&t interactive, buywithme and zozi.  targeting deals based on check-in histories.

ChoiceStream launches Cruch which allows a brand to customize ad targeting -- integration of predictive data.

targeting food enthusiasts. seeks to match brands with an audience skewed toward women.