Why Bitcoin (for the third world)
Many people, probably most people see Bitcoin as yet another currency. The big question then becomes "why would I want to use just another currency?" Trying to see it as a very different thing is difficult.
If you are trying to sort this out, a discussion between Andreas Antonopoulos and Stefan Molyneux available on AllThingsBitcoin.org is a good time investment. It is titled Bitcoin vs. The Federal Reserve.
While there is a lot of "The Mt Gox story" in the beginning but a lot of the discussion of the realities of bitcoin. That includes how to buy/sell bitcoin, who real players are and, probably most important, all the reasons bitcoin makes more sense that fiat currencies in the third world.
The last 10-15 minutes offer lots of "How To" information including URLs of a lot of sites to get you connected.