The rapid serial visual presentation technique is old and has lots of research; my modification to it (moving the words up and down) has only been tested by me and people who've tried the app, so nothing formal.
The way words get grouped together is mostly determined by their physical size, but I might be able to put in a special case for capitalized proper nouns.
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: