Amazon Cloud Hands-On provides an overview of Amazon Web Services including Elastic Compute Cloud (EC2) for computing resources, Simple Storage Service (S3) for storage, and Simple Queue Service (SQS) for message queuing. EC2 allows scaling computing power up or down within minutes and starts at 10 cents per hour for 1 EC unit equal to 1.7 GHz x86 processor and 1.7 GB RAM. S3 stores objects up to 5GB in size with SOAP and REST interfaces and affordable pricing, while SQS retains messages for 4 days with a maximum size of 8KB and supports SOAP and queries.