Ico has an avenue of raining fund for startup has fade away, you don't have to be confused, IEO is the news means of fundraising for startups, at this moment IEO is more effective.
of course now many investors prefer to invest in projects that carry out the IEO with a big exchange compared to the ICO project. although there are now few investors at the ICO, but I think there are still a number of projects that make ICO sales and get decent funds. but we don't know the truth, we have to wait until the development has actually been done and entered the market.