Will you invest this ico ?I think it's too hot to invest , it will raise too much dollars , too many people involved , that means you can hardly get a 5X or 10X profit , its market cap decides this .
i think it's a big ico with an announcement too viral, check this article about The TON and GRAM ICO
you have the white paper inside the article
http://noticiasbitcoin.io/2018/01/29/el-libro-blanco-sobre-la-ico-de-telegram/