Japan Math cares about your privacy. We do not sell or rent any data about our visitors. We do however, use advertising and affiliate networks on our sites. These networks may utilize cookies in order to present relevant ads. Japan Math maintains a presence on social networks including but not limited to Facebook Twitter, Linked In, Youtube, and Vimeo. We also maintain a mailing list for JapanMath updates and news. Our subscriber and social network base may be shared amongst other educational related sites within the Teachtopia Education Network.