Foursquare 3.0 will recommend where to check in

Foursquare, the hot location-based check-in startup, today announced on its blog that it will be releasing Foursquare 3.0 later today for Android and iPhone. The new version comes with several feature updates, but probably the most notable is the much-rumored recommendation engine.

Google launches local business-recommendation engine Hotpot

Google today announced on its blog the release of Hotpot, a recommendation engine for local businesses based on you and your friends’ ratings. Hotpot is an addition to the company’s Google’s Places initiative, a campaign to get local business owners to claim their venues, verify information and engage with customers.

How Hunch's CEO just slapped a "For Sale" sign on his company

We haven’t heard much about Hunch, the once-buzzy recommendations site based in New York — and what we’ve heard hasn’t been good. So it was interesting to read CEO Chris Dixon’s response to an anonymous questioner who asked why Hunch was building a general recommendations platform instead of focusing on solving one specific problem.

Why the Facebook-Amazon.com integration is bigger than you think

Facebook and Amazon.com partnered Tuesday in what could be one of the social network’s most important integrations yet. Amazon.com now offers a personalized page, where consumers can see product recommendations influenced by friends and their own tastes. They get notifications on when friend’s birthdays are coming up and suggestions on what to buy for them.