2013-07-25 saitamanodoruji This is the 2nd version of EES. The 1st version is here. Exponential Endless Summer tries to get a Tumblr post ID N randomly, in the way that any time t in a specified time range is to be drawn with equal probability. It uses an exponential function N(t) = A * exp[B * t] to convert t generated by Math.random() of JavaScript to Tumblr post ID. The parameters, A and B, wer