Posting memes on Facebook only attracts followers for your account, it is important to have as many as possible for you to have a wider range of audience if you’re planning of earning money online, what makes you earn money is usually posting ads on your accounts which directs followers to certain sites that sells products or services, or promoting online shops which gives you incentives or small percentage on sales of posted item when bought using the link you posted on your account. Having your own retail business and posting items on Facebook helps you advertise your products for free while attracting interested buyers or customers on what you offer. Facebook is just a means of promoting or advertising products or services.