iHeartMedia acquires Triton Digital: The radio giant has acquired Triton’s full slate of audio advertising technology, as US programmatic digital audio spending is set to see rapid growth this year.

US retail and food service sales jumped after last month’s stimulus: In January, sales were up 5.3% over the prior month, to the highest they’ve been since September. The stimulus in March could boost sales again—but they may stall if we don’t see another package after that.