how to browse and discover content on Posterous
Posterous has a built-in search capability so you can search for keywords using three available options; 'Best Match', 'Recent', 'Interesting' although I don't know the precise criteria for 'Interesting'.
Although I can't see it documented, you can also browse Posterous for any given tag. For example, to see all posts tagged with 'Posterous', use
Sometimes, it's also interesting to use Google to search for content on Posterous (including 'site:posterous.com'):
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