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This neat tool from Google, ChartTool is a simple-to-use chart-making service that lets you simply paste in your data and play around with how it looks. It's never been easier to whip up charts that are actually easy to use and update. In fact, embedding these charts on web pages is quite simple thanks to the embed API. You can even make QR codes in just a few seconds and quickly get an embed code to add it to your website. While ChartTool does not create as many of those fancy 3-D charts that Excel does (it still makes quite a few), it likely will be able to in the future. However, if you're in a rush and need to whip up some exact charts without all the fluff, this is the tool for you.

"Full featured online flow charting solution. Create professional quality diagrams in minutes without software installation." Grapholite is available both online or as a download

"Researchers from the Massachusetts Institute of Technology have come up with a device that can render digital 3D content physically and which could change the way we interact with PCs ... In a video, the inFORM was shown to be used for 3D modelling, viewing bar charts, maths education and controlling media (like the volume of a radio), among many other things."

"From simple charts to complex maps and infographics, Brian Suda's round-up of the best - and mostly free - tools has everything you need to bring your data to life."

"There are quite a few QR Code generators online. Some of them like Barcode Maker simply cosmeticize the Google Chart API while others like ZXing have full MECARD encoding. Here are the best examples:"

Interesting graphing and representation of data issues.