In most cases prospective customers need to be engaged with your brand before taking a major step to action, be it buying a product, signing up for a service, etc.
Comments, email newsletters and polls are fairly standard ways of engaging website visitors - with a rather high barrier-to-entry.
Compliment Candy is a more emotional and natural way of engaging your visitors. The positive user experience of "complimenting", mixed with Compliment Candy's customizable Calls-to-Action, keeps the barrier as low as possible and provides an easier way of visitor interaction.
Simply convert more visitors into customers.