According to Byteball's twitter feed they have posted a crossword on reddit and if you solve it and send it to them you will get some free Byteball coin.
Here is the link:
https://www.reddit.com/r/ByteBall/comments/7nxqqm/byteball_crossword_puzzle_solve_and_earn_5000000/
I assume this is legit since it is on their twitter feed but if it is not don't kill the messenger.
haha its legit its been talked about in the Byteball Slack a fair bit
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