Refresh a google map in real-time
The question at 1 billion euro : how to build such Google Map ?

http://s-bahn-muenchen.hafas.de/bin/help.exe/dn?tpl=livefahrplan

Comet, XMPP, AJAX, Java pushlet or Google Channel Engine based ?
Refresh a google map in real-time
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The question at 1 billion euro : how to build such Google Map ?

http://s-bahn-muenchen.hafas.de/bin/help.exe/dn?tpl=livefahrplan

Comet, XMPP, AJAX, Java pushlet or Google Channel Engine based ?