We just cannot site here and expect everyone to use Bitcoin within a certain time of the year.
It will eventually be learnt by everyone but there are certain factors, location being one, which prevents some places to get to know about it.

Also various merchants should start accepting Bitcoin as a payment method which can propagate its popularity.
There are several popular games which can start accepting Bitcoins to perform in-game purchases.

Steam accepting Bitcoin is a great way to popularize the cryptocurrency and its a great start that way.