DROID MAXX by Motorola on Verizon Pre-Pay Plan, showing Data Sessions of 121 minutes... why?

[AC Question]

Just purchased this device... throughout the day and night, device useage, as viewed online from the Verizon site (where one can see numbers diled, calls received, text activity, etc.) the log shows numerious data sessions of exactly 121-minutes. This activity is ocurring at thime the phone is absolutely NOT in use. What is happening? Is this normal?