Ajax - what can it do?

[evo81]

Hello,

I've been learning ajax for a month or two, just reading a book when I can. I wanna know what cool things people have done with ajax?

Thanks

[Phantom]

[meebo.com...] - aim client
[maps.google.com...] - google maps
[digg.com...] - ajax for comment rating

just a few off the top of my head