Although it is a digital era, the traditional paper note is still a very convenient thing, but this does not mean that it cannot keep pace with the times. Recently, 3m Company has a software that can manage notes on Apple's APPSTORE. This software allows users to shoot up to 50 notes with a camera at a time, and then classify these notes on their mobile phones, or even send them to their colleagues or export them to POWERPOINT EXCEL, DROPBOX, etc. At present, this software can recognize all square memos, which sounds wonderful. But at present, this software is exclusive to iPhone, and Android users can only watch it.

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