This would also work great as a non-verbal, non-hands communication device. Currently research is being done in Subvocal Recognition [1] but it's very imprecise

This would also work great as a non-verbal, non-hands communication device. Currently research is being done in Subvocal Recognition [1] but it's very imprecise and can essentially only get to yes/no answers. Imagine using this along with something like PalmOS Graffiti [2] + predictive text to send silent messages to people. [1]: https://en.wikipedia.org/wiki/Subvocal_recognition https://en.wikipedia.org/wiki/Subvocal_recognition [2]: https://en.wikipedia.org/wiki/Graffiti_(Palm_OS) https://en.wikipedia.org/wiki/Graffiti_(Palm_OS)