Textcelerator, a browser plugin that hacks your vision to make you read significantly faster. I made it because I really value being knowledgeable, and pre-existing speed reading software wasn't practical. I recently added Textcelerator for Sites, a version that can be embedded into blogs or other pages to enable speed-reading those pages without installing anything.
(Disclaimer: Payware with a free trial; I'm the author.)
Texcelerator is nicely done!
I use Spreed! http://www.spreeder.com/app.php for speed reading. It's free. The big hassle with using it, is the cut and paste.
I have often benefited from recommendations for Things I Didn't Know I Wanted.
Given that Less Wrong is a community of unusually intelligent, critical, and self-improvement-focused people, I suspect we can generate a pretty helpful thread of product recommendations — perhaps even a monthly thread of product recommendations.
Rules: