<http://schema.org/headline>
"Everyone that has been in business for some time will have heard of the 80/20 rule and it\u2019s true, 20 percent of your customers will generate 80 percent of your income."^^<http://www.w3.org/2001/XMLSchema#string>
<https://website-designs.com/online-marketing/how-to-identify-your-ideal-customer/>