The days of dealing with Unicode seem to have gone, but there was a time when systems weren’t capable of displaying or ingesting Unicode. It may still happen, and if it does, this 33-minute video of all 49,000 Unicode characters, originally featured here in 2011, may give you sympathy for the scope of the integration.

Of course, diacritical marks — the tittle, the umlaut, the cedilla, and the macron, to name a few — pass in and out of our texts all the time. See how many you can spot!