I thought the number of bitcoins was fixed and that you could no longer mine them.
You still can?
Just run some free software that you download, and you will receive some free bitcoins.
Sure you will.
China and North Korea sure are.
A Brief Glimpse Into the Lives of Chinese Bitcoin Miners
http://www.freerepublic.com/focus/f-bloggers/3570466/posts
You can still mine them but sheer demand for it relative to the limited supply means they “dig” harder and longer to get any.
This has also led to the creation of “alt-coins”, other cryptocurrencies like lite-coin, to meet the demand.
They estimate the last bitcoin will be mined in 2140.