Found in 1 comment on Hacker News
rajpaul · 2011-09-29 · Original thread
"webcopy that sells" speaks about a lot of this, and other ideas on how to communicate to users.

http://www.amazon.com/Web-Copy-That-Sells-Revolutionary/dp/0...

woot.com is a great example of how to sell through persionality, and not by being a sales person, which doesn't seem to work as well on the net.

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