Yahoo confirms $1.1B Tumblr acquisition, CEO Marissa Mayer promises ‘not to screw it up’

While rumors have been swirling for days, Yahoo finally confirmed this morning that it has acquired popular blogging platform Tumblr for $1.1 billion.

McAfee to buy network security biz Stonesoft for $389M cash

Security heavyweight McAfee has agreed to acquire network firewall business Stonesoft for $389 million in cash so it can offer more powerful firewall protection to its clients.

Spotify acquires music discovery & playlist app Tunigo

Tunigo's app will remain inside Spotify and its team will move to Spotify's offices in Stockholm and New York.

Wavii officially acquired by Google, app shuts down

After many rumors and reports, news summarization app Wavii has officially been acquired by Google and the app has been shut down.

Software AG acquires cloud platform LongJump to reach out to more SMBs

Enterprise app business Software AG has acquired cloud platform vendor LongJump.

Actian acquires big data startup ParAccel

Database vendor Actian has acquired “big data” and analytics startup ParAccel, the two companies announced today.

IBM buys UrbanCode to help companies push out software updates faster

IBM has acquired software delivery startup UrbanCode to better help businesses push out updates of mobile, cloud, social, and big data applications.

PayPal buys young startup Iron Pearl to help it acquire more users

Payments giant PayPal has acquired Palo Alto startup Iron Pearl to help it grow past 123 million users,

TripAdvisor acquires luxury travel site Jetsetter from Gilt Groupe

Popular travel advice and booking site TripAdvisor has acquired luxury travel site Jetsetter from Gilt Groupe for an undisclosed sum.

Cisco to buy femtocell maker Ubiquisys for $310M so it can dig further into mobility

Networking giant Cisco has agreed to acquire femtocell and small cell manufacturer Ubiquisys for $310 million in nearly all-cash deal.

Cisco to acquire cloud services management provider SolveDirect

Cisco has announced its intent to buy cloud services management business SolveDirect, and it will join the Cisco Services group.

Oracle continues acquisition spree, gobbles up network management biz Tekelec

Showing its intent to get cozy with wireless carriers, Oracle has agreed to acquire Tekelec, a provider of network signaling, subscriber data management, and policy control.

EMC & IBM reportedly looking to buy Amazon cloud rival SoftLayer

Enterprise behemoths EMC and IBM are taking a close look at buying major infrastructure-as-a-service provider SoftLayer in a deal that could be worth more than $2 billion.

Oracle to acquire cloud management software biz Nimbula

Enterprise software titan Oracle has agreed to acquire Nimbula -- a cloud infrastructure management software company founded by former Amazon Web Services gurus.

One step closer to Metro Mobile: FCC approves $1.5B T-Mobile-MetroPCS merger

Metro Mobile here we come. The FCC has approved the $1.5 billion merger between MetroPCS and T-Mobile USA.

Yahoo shows mobile ambitions with acquisition of location discovery app Alike

Yahoo took a big step toward making its mobile experience better today by acquiring location discovery app Alike.

Cable consolidates: Liberty Global buys Virgin Media in massive $23.3B deal

U.S. cable giant Liberty Global has agreed to purchase hot U.K. cable and broadband provider Virgin Media in a $23.3 billion cash-and-stock deal, the two companies announced this morning.

Law firm may put the brakes on Avis-Zipcar deal for undervaluing stock

News that Avis Budget Group plans to buy top car sharing network Zipcar for $500 million opened some eyes this morning. But the deal could have some trouble going through, with a law firm announcing it is investigating whether Zipcar didn't get the best deal possible.

Storage teamup: Imation buys Nexsan for $120M to reinvigorate its products

Enterprise storage and security business Imation has agreed to buy smaller storage provider Nexsan for $120 million in cash and stock. The deal could help Imation out of a long-standing slump.