ets for the year ended December 31, 2014, increased by $1.1 million compared to the year ended December 31, 2013, as a result of our acquisitions of BookFresh and Caviar in 2014. Interest and Other Income and Expense The following table sets forth our other income and expense for the periods shown: Year Ended Decem

S- I/A acquisitions of BookFresh and Caviar and our 2015 acquisitions of FastBite and Kifi. Product Development The following table sets forth our product development expenses for the periods

31, 2014, was $1.0 million, compared to zero in the year ended December 31, 2013. In 2014, we acquired technology assets through the acquisitions of BookFresh and Caviar. Comparison of Years Ended December 31, 2012 and 2013 Total cost of revenue for the year ended December 31, 2013, increased by $284.8 million, or 2