Yahoo’s board met today and agreed to acquire Tumblr for $1.1 billion in cash, according to AllThingsD.
Twitter has acquired the big data company Lucky Sort, the second big data company it has bought in two weeks.
In a tweet this afternoon, Yahoo revealed that it had grown its mobile team by 22 employees and four startup acquisitions this month.
Clipboard has been acquired by Salesforce, the company announced today. Following the sale, Clipboard CEO Dr. Gary Flake will join Salesforce as VP of Engineering at the company’s Seattle headquarters. The web clipping service will be discontinued June 30.
Spotify has acquired Tunigo, a startup that builds a popular Spotify music-discovery app, the company confirmed today.
Google has acquired Seattle-based start-up Wavii and is shutting down its service, the companies said today. The move signals that Google is continuing to stay ahead of the curve when it comes to search and aggregation.
Betaworks, which made a splash with its purchase of Digg last July, has made another, smaller splash today with its acquisition of the reading app Instapaper.
In a move to make LinkedIn “the definitive professional publishing platform,” the company has acquired Pulse, the makers of a news reader and mobile content distribution platform.
Travel review community TripAdvisor has acquired Jetsetter, Gilt Groupe’s luxury private sale site where professional travel reviewers cherry-pick the best local hotspots. Despite its similarities to TripAdvisor’s SniqueAway, TripAdvisor has no plans to shutter the newly acquired site.
Pinterest has acquired the mobile app Livestar, a mobile app that provides users with recommendations for local venues from their social contacts and others.