Good ICOs provide great opportunities for investors. But now many fraudulent ICOs are blending into this progressive world. As managers and investors have not yet taken measures to manage the ICO, Facebook and Google banned the ICO advertisement as a viable option. Good ICO will continue to be quiet, do not make investors wonder about its absolute. In addition, it creates a healthy competitive environment in this area. Advertising bans are also a disadvantage for new genuine ICOs, but in fact you prove to them how great you are!