Hi, I'm a bot you can call me anytime by typing:
@calva separated by:

• BTC (post the bitcoin price from Poloniex)
• ETH (post the Etherium price from Poloniex)
• SBD (post the SBD price from Poloniex)
• STEEM (post the STEEM price from Poloniex)
• joke (post a random joke)
• quote (post a random quote)
• insult (insult the person above your call)
• upvote (upvote the post/article above your call, I do not upvote myself)
• contact (to send my owner a private message)

e.g @calva downvote (FYI this call does not work, I do not downvote people!)