Can this app cure depression?

It may be time to sack your therapist. The researchers conducting the world’s first clinical study on the use of smartphone apps to treat depression have given VentureBeat a preview of the results. 73.5 percent of depressed participants who used an application called Viary, were no longer considered to be depressed by the end of the study.

Redeem&Get pulls in $200K to manage daily deals

Suffering from Daily Deal fatigue? Dublin startup Redeem&Get aims to make the process of redeeming a deal smoother for customers and more profitable for merchants. The company just won the Spark of Genius competition at the Dublin Web Summit, with prizes that included 40,000 EUR ($56,000) in cash and a 100,000 EUR ($141,000) termsheet from ACT Venture Capital.

Farmers turn grass into cash with the Grassometer

The well-dressed dairy farmer may soon be sporting a new gadget clipped to his Wellington boot — the Grassometer. The device just landed 50,000 EUR ($70,000) in funding from Enterprise Ireland’s Competitive Start Fund. The Grassometer uses ultrasound to take up to 200 measurements of the length of grass in a field as the farmer walks around it. The measurements are triggered by an accelerometer, mapped with GPS and sent to the farmer’s smartphone using Bluetooth.

Cory Doctorow: Tech companies exploit the way we undervalue privacy

How much is your personal data worth? Will photos you post on Facebook or your Foursquare check-in data get you into trouble in five years’ time? In one of the standout talks at this week’s O’Reilly Strata Summit, author and Boing Boing editor Cory Doctorow explained why people undervalue their privacy and how data-driven companies exploit this mis-pricing of privacy.

People analytics: How Google does HR by the numbers

Google offered some insights yesterday into its innovative, data-driven HR process. “All people decisions at Google are based on data and analytics,” said Kathryn Dekas, a manager in Google’s “people analytics” team, speaking at O’ Reilly Strata. Those decisions cover compensation, talent management, hiring and all other HR issues. Google’s data-based HR may become a key factor in the company’s future success.