Businesses aren’t maximizing Facebook’s viral marketing capabilities when opening shops on the social network.

So says VendorShop, a maker of virtual storefronts used by thousands of merchants. In a survey of 250 users jointly conducted with Dublin City University, VendorShop found that a Facebook like doubles a person’s willingness to purchase something from a store on the social network.

VendorShop offers some good advice on how to maximize sales through viral marketing in a nifty infographic that we’ve posted below. Be sure to let us know what you think in the comments section.