Read about them here https://steemit.com/@steembasicincome and how you get upvotes from them, they.re helping a lot the steemit members. About ocd-resteem and other comunities you can find out more by easely searching them on google..tags allows your post to be found by specific communities regarding what you are posting about too and how well your posts are made. There are more tags for other communities to be used to take some time to do a bit google research, that.s how i discovered too and started using. I.m not using Manna program, i saw in your posts and i was curious ab it. Good luck my friend. And btw, for the steemauto, info is here: https://steemit.com/guide/@scrooger/steemauto-full-guide-and-how-to-register