When professional exchange experts carefully study the project documentation and select a worthy project, it is much easier for an investor. No need to wait for the release of the project to the exchange. For an investor it is safer.
it give us easinest to analize projects.so far most of ieo get their success and in market too.most of them could rise atleast 1x from ico price.and it means exchanges team could give the best effort in their IEO.