you can check it here, asking why would you downvote GROOT? ACTUALLY, it seems like a social experiment.
I think "iamgroot" is from a character of Guardian of Galaxy, what does this say? Of course, its not just a robot but all he can say is " I am groot", would you get pissed if he upvote your post and comment "i am groot"?
who downvote 
@arkadiy
@ats-david
@rossenpavlovI am sharing sentiment to 
| Parameter | Value |
|---|---|
| Minimum Upvote | 0.5 SBD |
| Minimum Lease | 1 STEEM |
| Profit at 100% VP | 3 times |
| Current VP | 66% |
| Daily Limit | 1.0 SBD |
| Weekly Limit | 7.0 SBD |
| Lease price 1-3 weeks | 1 STEEM ⇔ 65SP |
| Lease price 4-24 weeks | 1 STEEM ⇔ 100SP |
send 0.5 sbd at minimum to minnowbooster and memo is the url of your post wanted to be upvoted
@albertvhons, i will let you ride my boat,