Sort:  

Sorry about that! But I do think this one answers you:

Every 24h a new post is created and may get promoted into regular trending using @Steemium promotion tool

It doesn't state it uses author rewards, but considering the costs, I assume it does.

Coin Marketplace

STEEM 0.15
TRX 0.23
JST 0.032
BTC 84054.69
ETH 2292.26
USDT 1.00
SBD 0.68