What are the biggest sources, channels (YouTube channels/influencers, Twitter accounts/influencers etc, ICO rating websites) online that you use to find out in which ICO to invest in?
Check out
ICO List by CoinCodex, you can find there aggregated ratings from various sites.
I don't trust coincodex consider about there was a lot of scam icos. we are only using icodrop as the reliable ico tracker this time. Basically, most of them are getting paid to promote. That's why ico bencg gets negative trust caused by that. you can see that through open the trust summary of icobench