It's worth getting good at:

Presenting: wherever your career takes you, you will inevitably end up talking to groups of people. Get on a course, get on another course, find a mentor, seek regular practise. It's really worth getting good at presenting.

Numbers: we're often tempted to leave those to the accountants. Or go into a bit of a trance as those PowerPoint slides come up. Decide to get to grips with the basics; without them you are missing the power tool of many a commercial discussion; quantitative argumentation. Pick up a simple primer from the library. It's really worth getting good at the numbers.

Focus: in a world of ever-increasing opportunities, choices and distractions the ability to make a clear decision on time is priceless. Learn some good stress management strategies.It's really worth getting good at keeping clear focus.