[malditojavi]

Not comparable but airpair have a similar trick, asking to signup if you want to see their whole samples http://i.imgur.com/pVuVjrY.png and not obfuscated code samples

I run a site (http://petihacks.com) with many of these little tricks if it's the interest of anyone

[pluma]

That would put me off using the site, let alone registering. Especially if it's meant to be social (i.e. I'm supposed to share links to content) -- I don't want to burden other people with the same hassle.

[pygy_]

typo, I guess: http://petithacks.com/