1.) The AWS is a cloud computing platform - it offers a range of IaaS (i.e EC2), PaaS (i.e Beanstalk) and SaaS (i.e CloudSearch).
It is popular and it was the pioneer compare to others such as MS Azure, RedHat Openshift, Alicloud and etc.
2.) According to the infographic:
2.1) It was launched in 2006.
2.2) It has 1/3 of market share
2.3) It has over 1 million customers.
2.4) It generated revenue of over $6 billion per year.
2.5) It is committed to sustainable energy.
3.) AWS Certified Solutions Architect certification is available in the market.
3.1.) Online courses availabe.