Our Captchas are highly personalised, if a user has given positive response towards previous campaign via Analytics Captcha, similar captcha in same domain is shown to the user. This greatly increases the probability that content user sees are in similar domains corresponding to previous likes done by them and can be termed as content based Captcha reTargeting. Fun part is user does not have to browse and Captchas come to user automatically, they get to see content automatically, which is big plus for busy lives of people.
If Answer corresponding to above Captcha is Amazing, later similar Media Captchas are displayed to user to boost sales.
For example - Similar Captchas Delivered to user in short timespan.
Most Important point is there no limit in domain of media Captcha, it can be anything beneficial such as News,Art,Movie Trailers.
Content Matching utilizes keywords of campaign.
This recommendation is in lot of domains entertainment, places, art , shopping and more.