From IndieWeb

A️ (that is A️) is i.

Whenever someone typed an i on iOS 11, prior to iOS 11.1.1, autocorrect would change it to an A followed by Unicode character U+FE0F (VARIATION SELECTOR-16).

This was also spotted slipping into some website. Shawn Blanc’s My Favorite Apps of 2017 was cached in Martijn van der Ven’s reader without any I’s:

This year A made a few big changes to a few major apps.

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