Yahoo has officially announced its plans to acquire Tumblr for $1.1 billion. Much like Facebook’s $1 billion acquisition of Instagram in 2012, Yahoo’s latest purchase will bring the company a younger user base with the promise of more revenue.
Vine has added sound and motion to the popular microblogging website, Twitter. Learn how to bring your information to life in our Vine webcast on Wednesday, June 19 from 4-5 pm ET. In this one-hour webcast, Gemma Craven (left), EVP, New York group director at Social@Ogilvy will discuss best practices for using the visual social platform and share some of her team's successful vine videos. Register here. 
Crash reporting startup Crashlytics has been purchased by Twitter, the company announced yesterday. The move follows the shaky launch of Twitter’s new video-sharing app, Vine.
To better position itself as a place to both store and share photos, Dropbox has acquired the photo aggregation service Snapjoy for an undisclosed sum.
Mobile development agency Grapple has acquired Toura, the cloud-based content distribution platform whose clients include the J. Paul Getty Museum and the Guggenheim, among others. The terms of the deal were not disclosed.
Twitter appears to be gearing up for its video-hosting service with the acquisition of a New York-based video-sharing site called Vine, according to a report by AllThingsD.
IBM has acquired Kenexa for approximately $1.3 billion in cash. Founded in 1987, Kenexa has 2,800 employees in 21 countries around the world and provides social business technology to 8,900 customers. The company will add its recruitment and talent management services to IBM’s existing social business and HR business services.
