I'm sure you've seen them. There are quite a few faucets I come across where you enter the address, click some buttons to supposedly show the captcha only for no captcha to appear. Here is a example
http://www.giftsatoshis.com/ I cant for the life of me find how to unlock the captcha, I just dont get how anyone could be bothered wasting such time to unlock the captcha, but people must as there are a few high on the faucetbox list. How are these faucets getting high on the list? Do you think they should be removed?