In 2015, Endurance International Group acquired email firm Constant Contact for $1.1 billion. In 2014, IBM snapped up Silverpop, and Adobe acquired Neolane for $600 million. In 2013, Oracle bought Responsys for $1.5 billion, and Salesforce paid $2.5 billion for ExactTarget. Chad White, research director at Litmus, predicts that acquisitions will continue in the New Year.