Are the tasks put out by them tend to be promotional stuff?

The platform is new. The tasks right now available are mostly micro (simple tasks) in nature. You don't need any skills to do them. As their product grows in terms of functionality and users, we might see better set of tasks or projects suited for all kinds of freelancers out there.

I think more complex tasks will prove to be tough since it would include vetting the person and guidelines

You are right. I still do not understand how they make sure that the task guidelines have been met. Without human intervention, it's just impossible. I hope these things develop soon so that gig economy could flourish on Blockchain. It's a cool use case and Hive must have something like this.

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