Amazon has been using its cloud and web services to support its other services as well.

FORBES: Web Services To Drive Future Growth For Amazon

From that point forward, the company started to use cloud hosting with Amazon Web Services to support the website.

FORBES: How Commercial Progression Built A Business On Drupal

Google's effort to build a new browser, which started in 2006, was partly born out of concerns existing browsers would fail to support its Web services or steer users away from its search engine.

WSJ: Google's Chrome Surpasses Firefox as No. 2 Browser to Internet Explorer