Online video platform Brightcove filed a registration statement on Form S-1 with the U.S. Securities and Exchange Commission in connection with a proposed initial public offering of its common stock.

Educational social network Edmodo was founded on the concept that social media in the classroom is a good thing, and today the site has been jazzed up with new features, including badges, quizzes, student profiles, and more.

Facebook unleashed a bevy of new site updates to make it easier for users to share content exactly with whom they want. Also: the social network is planning to acquire twice as many companies this year as it did in 2010.

Taptera, developer of Apple mobile enterprise apps, secured $2 million in Series A funding led by investor Terence Garnett, with participation from Salesforce and an array of CEOs, investors and luminaries.

Today's entrepreneur is Stephen Medawar, CEO and Founder of JobFerral.com, a website where people get paid to help their friends find jobs.

Social incubator YouWeb raised $2 million from its existing investors. Additionally, the incubator, created by CrowdStar CEO Peter Relan, also hired tech veteran Michelle Sangster as its SVP of business development.

Word on the street is that media giant CNN may be willing to shell out as much as $25 million for the content aggregator, Zite.