The RIAJ Digital Track chart (RIAJ有料音楽配信チャート, RIAJ Yūryō Ongaku Haishin Chāto) was a record chart that ranks the best selling digital singles in Japan, with data provided by the Recording Industry Association of Japan from April 2009.[1] The chart measures cellphone downloads (着うたフル Chaku-Uta Full) (not downloads from PCs, or ringtones (着うた Chaku-Uta)). On July 27, 2012, the service that tracked the charts was shut down.