The CEO of IdeaFeX, @DrJiulinTeng analyses the blockchain, cryptocurrency, and ICO landscape as a post-mortem: In this article, he discusses pitfalls in promotion / marketing.

https://medium.com/asset-tokenization/ico-pitfalls-in-promotions-aka-stop-your-bounty-campaign-airdrop-and-press-releases-now-2dca7c7f47d9