Word of mouth has always been one of the best ways to get people to buy or at least consider buying from a particular business.
While it is hard to get everyday people to talk about a particular product, getting a group of say 100 people to mention a product to the 500 or so combined people they interact with frequently is rather easy — it's traditional word of mouth.
One great way to avoid the roundabout ways to get hundreds of people talking about a business or sharing a product, it is possible to get one or two influential people that have large followings that respect them to talk about a product with their following. This is influencer marketing.
