Well, for one example, many folks here like to talk about your BB phone being used as your desktop (dock it and connect to a big display and a BT keyboard and mouse, etc.). The two-year-old Note 2 already did that impressively, and the Note 3 was even considerably better and more powerful.
https://www.youtube.com/watch?v=9nh2NSLgaII https://www.youtube.com/watch?v=N8wQexBfGD4
The Note 4 is expected to be another huge step forward in this area, and even though many owners don't even realize this is possible, I think you're going to see more of this as time goes on.