Foursquare and Groupon have teamed up to conquer the localized deals market together. Today: Chicago. Next week: North America! Mashable reports that the Groupon/Foursquare feature should expand from the Chicago area to the rest of the US and Canada by Sunday. The Groupon deals will be listed in the “Specials” sections on Foursquare alongside Foursquare’s other already-running deals partnerships.

Sony has announced the Cyber-Shot TX55 camera. The camera is at a super-thin size of 12.2mm. The TX55 is the thinnest camera with optical image stabilization. The camera is 16.2 megapixel with an illuminated backside CMOS sensor. The camera also has full 1080i AVCHD video recording and a high-resolution OLED touchscreen (1,229,800 dots). The lens on the TX55 is a 5x optical zoom. The TX55 also sports “By Pixel Super Resolution” to enable 10x digital zoom. Special effects are built into the camera which include HDR Painting, Rich-tone Monochrome, Miniature, Toy Camera, Partial Color, Pop Color, and Soft High-key. Other specs include: Sweep Panorama mode, 3D Still Image mode, High-speed autofocus, and the camera shoots 12 megapixel stills while HD video records. The TX55 will be available this September at a cost of $350. [ZDNet]

Ford Motor Company (NYSE:F) is using an unfocused group to pick an artificially generated sound for their upcoming Focus electric vehicle. Ford posted four sounds on their Facebook social media Page to find out which one is the best. This past January, a law was enacted that required quiet hybrid vehicles to have some sort of artificial noise generator. The National Highway Traffic Safety Administration (NHTSA) has not clarified what kind of sound the hybrid vehicles should make yet. Below are the four sounds:

Test sound A

Test sound B

Test sound C

Test sound D

Fab.com is a social network for gay men that used to be known as Fabulis. Fab.com has raised $8 million in Series A funding.

Amazon.com, Inc. (NASDAQ:AMZN) reported in their Q2 earnings call that the company has built 15 new fulfillment centers. They also plan on building a few more by the end of the year. Building these new fulfillment centers indicate that Amazon.com is growing at a rapid pace.

The first Windows Phone to be running on the Mango operating system is the Fujitsu Toshiba IS12T. However it is only available in Japan. The specs of the phone include 3.7-inch WVGA screen, 1GHz Qualcomm processor, 32GB internal storage, 13.2 megapixel camera, and will be available through KDDI. [Engadget]

A couple of years ago Bojan Bostjancic and Peter Kuhar started building Instant Heart Rate, an iPhone app that measures the heart rate of a user through the smartphone camera. Users would hold their finger over the camera for 10 seconds and the app would be able to detect and measure their heart rate. This app has hit 8 million downloads in 9 months between iPhone and Android.