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that is unfortunate. icons having a variety of silhouettes makes it easier to identify them and gives things a little personality.

Adobe app icons are really the poster child for icons that are difficult to identify: https://as1.ftcdn.net/jpg/03/75/14/18/1000_F_375141824_Urr3G...

Icons were not meant to be text to read.

Take a look at the icons for Google’s mobile apps.