I read a lot of things on the internet. The blogs, the MSM (NYT, WSJ, etc), and other random things. I find a bunch of interesting things to read while I'm at work, without time to read them. Often, I would end up forgetting about them because I didn't have a good way to mark it to read later at home.
The NYT has 'My Timesfile', which is great, but limited to that specific site. I never got into del.icio.us because I didn't necessarily care what other random people were bookmarking, and hardly anyone of my friends uses it.
Along comes Instapaper. It's perfect. Totally plain, just put a bookmarklet in your browser and you're good to go. That's really all there is to say about it--its that straightforward. The bookmarklet lets you bookmark any page for reading from any computer for later. So, for an easy way to save reading for later, check it out.