Amazon Web Services (AWS) is a cloud computing platform provided by Amazon. It offers a wide range of cloud services, including computing power, storage options, databases, analytics, machine learning, Internet of Things (IoT), security, and more. AWS enables businesses, organizations, and individuals to access and utilize these services on a pay-as-you-go basis, allowing them to scale and grow their applications and infrastructure without the need for upfront investments in hardware and physical servers.

Some of the popular AWS services include:

1. Amazon EC2 (Elastic Compute Cloud): Provides scalable virtual servers on the cloud, allowing users to deploy and manage their applications.

2. Amazon S3 (Simple Storage Service): Offers object storage with high durability and availability, suitable for storing and retrieving any amount of data.

3. Amazon RDS (Relational Database Service): Provides managed database services for popular database engines like MySQL, PostgreSQL, Oracle, SQL Server, etc.

4. AWS Lambda: A serverless computing service that allows users to run code without provisioning or managing servers.

5. Amazon DynamoDB: A fully managed NoSQL database service that delivers high-performance and seamless scalability.

6. Amazon SNS (Simple Notification Service): A messaging service for sending notifications to a large number of subscribers.

7. Amazon SQS (Simple Queue Service): Offers a message queue service that enables decoupling and scaling of microservices and distributed systems.

8. Amazon AI/ML Services: A suite of machine learning services, including Amazon SageMaker, Amazon Rekognition, Amazon Polly, and Amazon Comprehend.

9. AWS CloudFormation: Allows users to define and deploy infrastructure as code, making it easier to manage and provision AWS resources.

10. AWS IAM (Identity and Access Management): Provides access control and permissions for AWS resources, helping to secure the environment.

To access AWS services, you need an AWS account, and you can manage and configure your resources through the AWS Management Console, AWS Command Line Interface (CLI), or use various SDKs and APIs to interact programmatically. AWS has data centers located in various regions worldwide, allowing users to choose the closest data center to their target audience for lower latency and improved performance.