I'm guessing that every reader has a personal peeve based on an unfulfilled promise.
Vendors have to be continually reminded of their follies.
2000 Halfway through the year 2000 it dawned on me that numerous promises given to us computer users have not been fulfilled. Many of the promises, of course, were implicit and never actually made. But still, we were expecting them. Here is my short list of promises, and I will be greatly amused by what you, the reader, add to it. I'm guessing that every reader has a personal peeve based on an unfulfilled promise.