Using Facebook to fight email spam
As you may know, Facebook posts your email addresses in your profile as images. For example, my public email address for 1000it.pl is:
If you go ahead and view the source code you can see that the image is generated by a web API at http://www.facebook.com/string_image.php with 2 parameters (ct is a unique key for every email address and fp is the font size).
What's interesting is the web service does not require any authentication. So we can use Facebook's gracious charity (which I suspect is to make it difficult for you to write a screen scraper to grab all of your friend's emails) and redirect it for a greater good. That is, to protect your public email from spam bots.
Next time you need to post an email address, just pick a font size and post a url instead:
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hacks
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