About half of 2017's ICOs have already failed. Even more are in a semi-failed state or failure is imminent. This is not too surprising as many of them were half-baked attention grabbing or vanity projects. Others were solid projects that just never found traction. Everyone thinks they have the next big idea but this helps prove that not many will actually succeed.
Check out Tokendata (https://www.tokendata.io/) if you want to see a list of active and failed ICOs, or just laugh at the dumb coin names some people have tried to launch.
Article source: https://news.bitcoin.com/46-last-years-icos-failed-already/