Multiple users on Amazon EC2

Is it possible to have multiple users to manage an Amazon EC2 environment? I want to give access to several additional people to create machines on my existing billing account.

Can an AWS account have multiple users?

If you require more than one person to access your AWS account, AWS Identity and Access Management (IAM) enables you to create multiple users and manage the permissions for each of these users within your AWS account.

How many users can EC2 t2 Micro handle?

In steady state, a t2. micro can sustainably handle 10-15 concurrent users. More than that and it will start to deplete its CPU Credit balance.

Amazon just announced AWS Identity and Access Management - http://aws.amazon.com/iam/

As of right now, it's in 'preview' mode, but this will allow you to have multiple AWS management accounts.