Cool Application of AJAX

Marketwatch.com uses AJAX to embed real-time stock quotes* into its articles. For example, see this MarketWatch article about an analyst downgrade of AMD.

I’m not an expert on web development, but I think this sort of thing may be the killer app for AJAX. There was really no reasonable way to do this this well before AJAX. It would have been obscene to use a Java applet, for example.

* Technically the quotes are delayed 20 minutes, but they update in real-time.

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