Steemit is much like any social media; for blogging and sharing content.
When people discover your content you are appreciated and paid for it in steem (convertable to dollars)
Read these for more:
https://steemit.com/steemit/@michaelaffare/steemit-starterpack-1-why-steemit
some activity going on in Ghana related to steemit:
https://steemit.com/promo-steem/@steemitashanti/steemit-knust-promotion-yesterday-banged-big-500-flyers-and-several-contacts-taken-several-photos-from-event
▶️ DTube
▶️ IPFS