I may use a computer but I know little about their hardware and even less about their software. I just want to FReep with them. (Hmmmmmm .... that sounds almost lewd.)
It will run web browsers, mail programs, productivity apps like word processing and spreadsheets, mostly over web-based applications provided by Google.
What it won't do is run most software written for the Microsoft Windows platform. If you just surf the web, send email, and do up a few documents, this will probably work fine for you.
You can do Freerepublic posting and browsing very well...not sure how well YouTubes will run....but Linux Mint (build on Ubuntu runs the videos OK)