its a movment or promote steem in twitter to make steem $7.77.

just make 7 push up or 7 movement.
and upload it twitter with #seven77
and mention @nathanmars7. and alsor say why you love steem.

you can chake this post ..
https://steemit.com/pushbook/@nathanmars/calling-all-true-steemians-to-join-or-resume-steem-seven77-usd7-77-challenge-on-twitter

thanks for your kind words