The web hosting industry is set to be a $154 billion market in 2022. Tens of thousands of companies are competing for a diverse audience — from college kids to multi-national corporations. To stay in business, most companies have differentiated themselves by catering to a specific niche. The best of the lot use digital advertising channels to reach the top: Rackspace has dominated the high-end corporate world with their interactive HTML5 ads that can test a website’s server speeds....