If I wasn't into LEO this much, I'll be loading up STEM. I just don't have enough $$$ to get into both. I believe ELO has more potential. Cool thing is I don't remember seeing any other competitor to STEM that has decent amount of tractions. I've seen stuff on Product Hunt but those communities did't really take off AFAIK.
STEM is different.STEM has Hive. STEM does tons of burning too:
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