Yes, you are right upvote have the power to do a lots things, which otherwise not possible without it, appreciation is the key to success in every field especially in steemit, I am just enjoying here, if you would like to have a look into my recent post here..
https://steemit.com/introduceyourself/@arisid/celebrating-another-milestone-of-200-followers-in-28-days
Thanks @arisid