Amazon Web Services is being used cross the whole organization. We have VPC(Virtual Private Cloud) on AWS and send data via Kinesis. And we provide the solution to customers via a web server in VPC.
Amazon Web Services Pros:
1 - Easy to manage through Amazon Management Console.
2 - Separate secure(virtual) service on cloud.
3 - So far it has the most used cloud solution. Easily get example or feedback from other users.