 The primary objective of this trial is to investigate whether the use of wireless activity tracking device Fitbit with 5 daily reminder alarms will increase daily ambulation on postoperative day 0 until post operative day 9 or hospital discharge whichever occurs first. Secondary objectives include evaluating the effect of Fitbit as a motivating factor on the frequency of postoperative ileus, time to return of bowel function, number of venous thromboembolism VTE, pneumonia PNA and other pulmonary complications, number of code Medical Emergency Team MET alerts, and overall cost saving. 