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Type your message, rotate the device to have it written in large letters and show it to the people. It's useful when you want to communicate when it's inappropriate to talk loudly, you have to spell out something for somebody, you just want to be subtle, or the background noise is so loud you would lose your voice before you tell your message.

Imagine these scenarios:

- you're at a concert, the music is loud even you can't hear yourself

- you're travelling abroad with a group and you have no idea how to pronounce Móricz Zsigmond körtér, but you have to tell the others that's where you have to get off the metro

- you want to tell the speaker at a meeting that you're going to have to leave the meeting room in 5 minutes, so they should keep it short