Inbound marketing solutions help businesses' websites rank higher on search engine result pages. Higher ranks help get more web traffic. The more traffic websites get, the more business leads they generate. The more business leads there are, the more e-commerce sales opportunities there are.
Basically, inbound marketing strategies lead directly to big profits. In fact, e-commerce generated about $1 trillion in 2011, and about $1.2 trillion in 2013, showing that it continues to grow and grow each year.