While media and entertainment companies in Hollywood have kept their lawyers busy lately with a pair of big deals, signs suggest 2012 could be an even bigger year for dealmaking among technology companies such as Apple, Facebook, and Twitter.

This week Apple topped ExxonMobil as the world’s most valuable company after a record-breaking $46.3 billion in fourth-quarter sales, indicating that the Cupertino, California-based juggernaut certainly has the cash on hand if it is inclined to do some acquiring. Meanwhile, Facebook appeared to be continuing to lay the groundwork for an initial public offering and Twitter picked up Internet security startup Dasient.