Hong, Weiyin, James Y.L. Thong, and Lewis C. Chasalow (2011), "User Acceptance of Agile Information Systems: A Model and Empirical Test", Journal of management Information Systems, 28, 235-272.
Using the upgrades of The System enables me to accomplish tasks more quickly.
Using the upgrades of The System increases my productivity.
Overall, the upgrades of The System are useful in my job.