RapLeaf is an internet company that compiles your personal information, including name, email, etc and sells it to political parties, marketers, etc. It has been accused of sending names along with personal identification info, gender, income info, children ages, Facebook accounts, and more. It has already sold and sent this info to a number of marketers, although it says it was a mistake and has stopped selling personally identifiable info.
Here is a LINK to a Wall Street Journal article explaining more.
In any case, you can opt out here LINK and let them know you do not wish to play.