Here is what crowd funding is in a nutshell, imagine standing in front of a huge crowd of thousands of people on a stage and yelling out “Does nay one have a car I can use’ and some one raises their hand. That is “crowd sourcing”. “Crowd funding” is a similar idea but instead of asking for a car you yell out “I need $500 for a camera to film a new movie” and someone raises their hand. In exchange the “investor or donor get a thank you gift of some kind like an autographed poster etc. Now imagine that crows is in the virtual world of the Internet and you have crowd funding via facebook, twitter etc.