Cloud services can be broadly categorized into three types:
Infrastructure as a Service (IaaS): Provides virtualized computing resources over the internet. Examples include AWS EC2 and Google Compute Engine. Platform as a Service (PaaS): Offers hardware and software tools over the internet, usually for application development. Examples include Microsoft Azure and Heroku. Software as a Service (SaaS): Delivers software applications over the internet on a subscription basis. Examples include Salesforce and Microsoft Office 365.