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Thank you @deathcross. I think you have a better understanding of my poll. SO what do you think Is the effect STRONG or WEAK?

Weak, because Steem is low. :)
maybe you could compare numbers of Twitter followers of different crypto-developers, but I don't know if you can find a direct connection.

Earlier Google searches appeared to show a relation with Bitcoin and Ether prices.

Coin Marketplace

STEEM 0.28
TRX 0.12
JST 0.032
BTC 67851.31
ETH 3815.63
USDT 1.00
SBD 3.77