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Out of steem?

Here you have VP(vote power) it recharges overtime but each time you upvote it uses some of it. As it gets lower your vote becomes less and less.

What does vote power do

Lets you keep voting and using the platform, haha...
If you use it all up you can't vote anymore and I'm not sure, but it might limit your posting too.
Its not like instagram where you can just like posts and comments as much as you want.
A pretty happy medium is about 10-20 votes a day...

Great to know thanks for the heads up