As a Steem user, you have the power to go here and vote for up to 30 Steem Witnesses. You can vote or unvote whenever you please, your witness votes are not permanent if you don't want them to be.
Steem witnesses are essentially the miners of Steem, but they are also in a position to either invest their mining income back into Steem, or to cash out and sell. Reasons can be given for either choice, but the end result doesn't care about excuses or re…