ICPSR is the largest archive of social science data in the world, and a resource that every researcher should be familiar with.
Click this link for a quick video introduction to ICPSR and its data collections. This is the high resolution version of the file.
For a faster download, try the lower resolution YouTube version:
Data Snapshots is a series of introductory videos on major data resources and data finding techniques. You can find other Data Snapshots here.
ICPSR is the Inter-University Consortium for Political and Social Research. To go directly to ICPSR without viewing the video, click here.