Linda Ikeji Social (LIS) has started paying its users for content.

So far today, 6 people have been credited with N1,000 in their wallet 

after the posts they sent in to us was approved by the LIS team. We are 
not only paying for eye-witness stories, we are also paying for original
articles. If you have a strong opinion about a subject, write something
and send it in. If we like it, we will pay you for it. Your wallet will
be automatically credited as we approve your posts. Whenever you're 
ready to collect, just cash out and the money will hit your account