I sometimes need to share small pieces of data without using complicated things like mail, an IM client. I just want to paste a small text somewhere and assign a URL. But that URL must be very simple or there must be a way to access the page without knowing the address.
I call this "simple text sharing", but other like to call it Nopaste. http://rafb.net/paste/ is a site where you can paste a piece of code or just some text, type a nickname, a description and that's it. If you don't want to remember the URL of your text, you can just go to "Recent pastes" and locate it quickly (fortunately, the site doesn't have too many visitors).
Another solution is cl1p, where you can upload files and choose the address.