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This would be great for flowcharts and diagrams. Sketch out a rough diagram on a tablet, and then have the shapes and lines "snap" to crisp versions as soon as they are identified. Even better if I could draw it on a whiteboard, take a photo, upload it, and get a response back as soon as it's done being converted.

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There are bunch of apps that do this on ipad and Android... Plus Microsoft's note taking app, Lenovo/IBM's old X-series apps, and I'm sure others. Heck, the Newton did it.

If you're curious, try one of them out. It gets frustrating pretty quick.

Could you please name some? There seems to be an even bigger bunch of apps that do plain drawing, and it can be hard to find the needle (apps that convert rough sketches to clean line art) in the haystack (many apps for sketching; most just replicating the paper experience on a screen without adding functionality). Thanks.

Paper by FiftyThree - https://www.fiftythree.com/paper

Thanks

I remember seeing that on the Newton way back in the 20th century:

https://youtu.be/VWSKqgHOEy0?t=5m32s

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