IG 演算法 Explained in Fewer than 140 Characters
http://augustqgch798.iamarrows.com/15-best-twitter-accounts-to-learn-about-ig-yan-suan-fa
It seems trivial, and in a few welcoming online games it might be. But, like a subject of correct process, in money game titles it only can take a minute to announce your intention correctly and can save you grief