What parts of the whole process don't you understand?
1. Grabbing content.
2. Publishing content.
Kind of automatic copy/paste. If you can do it in your browser, a program can do it also.
Kees
Alright, I know that this might not be the right term here, but I meant the mechanism sites like indeed.com utilize to grab contents off of sites all across the world wide web and then automatically post onto their own sites. What's this tool/mechanism? I don't think a web crawler is able to perform the latter task, but I could be wrong though

Chowhound
Comic Vine
GameFAQs
GameSpot
Giant Bomb
TechRepublic