You now know how to do something better than before. At first a person might not be very good at using a computer, but with a little practice s/he can say "I've gotten good at this. I can send email, shop online, and make my own web page."

It means you improved at doing something.

BRSwartz answer is perfect. I agree with him.

it means you have a good feeling of somthing by the way i like your photo