I have a new annoyance. It's another one of those pieces of English that no one seems to know how to use. It's deeply misunderstood. It's the term "learning curve". I'm continually, it seems, encountering people who believe that because something involves learning, that the entire project can be described as a "learning curve". "It's a learning curve." "This is difficult. It's a learning curve."
This is not correct.
It may have a learning curve. In fact, I guarantee it has one.
A learning curve is not the mere existance of learning. A learning curve is a way of describing the increasing (or decreasing) difficulty in the learning process for a given activity. A steep learning curve exists when a task is difficult to master, a more gentle curve when the job is easier.
You can read about learning curves in far more detail than I care to go into over at Wikipedia, the bastion of opinion-disguised-as-fact and the bane of high school paper graders world-wide.
If you have a new skill to learn, remember that it has a learning curve, and if you want to complain about it, it's probably a steep one.