Google chart api
April 22nd, 2008 | by RoarinPenguin |The Google Chart API lets you dynamically generate charts. To see the Chart API in action, open up a browser window and copy the following URL into it:
http://chart.apis.google.com/chart?cht=p3&chd=s:hW&chs=250×100&chl=Hello|World
Press the Enter or Return key and – presto! – you should see the following image:
