Ajax isn’t a technology. It’s really several technologies, each flourishing in its own right, coming together in powerful new ways
|--Jesse J. Garrett, who coined the term|
Some example use-cases for Ajax techniques are
Sending form data asynchronously
Seamless navigation of web-presented maps, as in Google Maps
Dynamically updated lists and tables, as in Gmail and other web-based email services
Forms that allow in-place editing
Live preview of formatted writing alongside a text input ...