yoyow.org is a Blockchain-based social media platform developed by senior members of China Bitshares community. yoyow intends to become the blockchain version of Facebook, Quora and Zhihu, it uses a new consensus algorithm – PoF (proof of flow) to reward content creators, curators and third party platforms. Unlike its competitors, yoyow provides full toolkit for content compliance. But yet, it is still a fully decentralized blockchain content platform.
TrueFeedBack is a survey/bounty platform where companies, institutions, academicians or other interested parties can create surveys or bounties. Users can participate in these surveys and bounties, get incentives for participating and stay anonymous all the time.