http://www.techradar.com/news/apple-finally-fixed-that-annoying-autocorrect-bug

Considering Apple's penchant for giving its devices names like iPhone, iOS, iPad and iMovie, you'd think the letter "i" would be inviolate for Apple: something to keep pure; to protect at all costs.

But no, millions of iPhone users recently found themselves plagued with a strange bug that replaced most standalone uses of the lowercase "i" with a pound sign and a box with a question mark.