Distribution of bridge information

[hgiuh ghj]

> 
> We already rate limit requests and what we serve from the bridge
> database.  Captchas don't stop crawling, especially since it appears in
> China's case, they have people doing the crawling, not scripts.
> 

The main point is a machine is faster than human to crawl. Captchas don't stop crawling but reduces the time needed to gather the information. Moreover, using Captcha's may prevent the rise of generated block-lists everywhere, it's always easier (and tireless)  to write a script than add manually top a list 3 IP addresses a day. 		 	   		  
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