How does distributed computing actually work? What kinds of problems are suitable for distributed computing?
Certain projects are suitable for distribution over the Internet. They have a large set of things to do, with each individual item independent from the others. If these can be broken up into work units, downloaded individually to clients who then work on them for quite a while with no need to contact another computer, you have a project that can be performed with distributed computing. Folding at home suits this model of computing.