How to add special characters like emojis and accent marks using your computer's keyboard

You can add special characters on a PC or Mac computer by using keyboard shortcuts or accessing a pop-up window.
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Emojis can be hacked to hide data or messages, unicode Characters also susceptible

Earlier this week, software engineer Paul Butler published a blog post titled "Smuggling arbitrary data through an emoji." In it, he showcased a tool he created to allow you to do this yourself and ...