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Who Still Writes Notes By Hand?

In this era of instant messaging, texting, email, RSS feeds and podcasts, it’s a bit surprising to find that some people still apply pen to paper. More surprising to find them using a quill and a pot of ink.

Hold this up to a warm light to decode the secret message But then you find out that it is genuine, state-of-the-art invisible ink–utilizing the latest in heat sensitive technology.
[via Cool Hunting].

Although it looks pink in the bottle, this amazing ink goes on to paper wonderfully clear and invisible: it turns blue when the paper is held over a light bulb or other gentle heat source, and then disappears again as the paper cools.

Invisible Ink is water-based, and comes in a 1-ounce bottle. Please note the ink is suited for nibs and glass and quill pens, and cannot be used in fountain pens.

The is hiding in plain sight.

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