There are many services where you can earn on the recognition of images or, in other words, captcha. This work is hard and not very well paid. For 1 hour of work, you can get an average of 30 rubles. But this way of earning does not require any skills and additional actions, you can proceed to it immediately.
Here are the most, in my opinion, the best services for getting money from Captcha:
1. Rucaptcha is a young system and the most powerful, captcha pictures are quickly created, no waiting. Enough thought out system. Plus are also high prices for completing assignments.
2. Kolotibablo is an ancient captcha input system, recently an update was made on their website and it turned out to be very convenient. Now even more people use this system for image recognition.
This article provides a brief analysis of two different systems for earning on the input of characters from images, more details about which can be learned independently by registering with them on the links above.