The number of U.S. smartphone subscribers for the first time surpassed the 100-million mark in January, according to new figures from comScore.

Usenet still exists. It's underneath most people's radar, but that doesn't stop it from getting sued. In fact, News Service Europe, one of the world’s largest wholesale Usenet providers, has ceased operation last week following a court ruling that it knowingly facilitated copyright infringement.

The confidence of Silicon Valley venture capitalists rose sharply during the first quarter, according to new report downloadable here.

Venture-backed companies in the U.S. netted more capital despite fewer exits during 2011, according to new figures from Dow Jones VentureSource. The year marked a 14 percent drop in deal activity but a 26 percent increase in capital raised, compared with 2010 figures.

A third of consumers use their mobile phones while they’re at home, not just when they’re out and about. And one in five watches video on their phone at least once every day, according to a Yahoo! and Ipsos study.

A majority of people are unlikely to use automatic social alerts that tell friends what entertainment they’re watching or hearing, and they prefer not to comment until it's over, research shows.

Online video technologies firm Ooyala launched Custom Analytics with Business Dimension Reporting, a new product that enables video publishers to access real-time information about the numbers, demographics, geographic location and other data about the audience viewing their content.

Google announced its first quarter 2012 results, which include a profit increase of 61 percent, and proposed a new class of stock that would effectively implement a 2-for-1 stock split.