Thread:Tuner King 5/@comment-28838092-20140811205144

Very likely users!

"one in a million"

https://www.khanacademy.org/cs/dont-vote-up/4533739960401920?qa_expand_key=ag5zfmtoYW4tYWNhZGVteXJpCxIIVXNlckRhdGEiRnVzZXJfaWRfa2V5X2h0dHA6Ly9pZC5raGFuYWNhZGVteS5vcmcvYjkzNmRjNDEyNWFmNGFkMzk4YTk0NzAzOGY4OTQ0MzEMCxIIRmVlZGJhY2sYgICA1LDHigoM 