Did anyone else notice everyone uses a face as their avatar on steam?

[Jairo]

I use potassium
Jummkopf
been that way since I signed up

[Ad Bot]

[Qwepir]

because portraits are recognizable

[Shell]

im special

[Becquerel]

I dont use a face as my avatar at all. I use a modified version of my forums avatar.

[Name is Unavailable]

Not me.

[steve5451]

I just noticed that most avatars on this forum are faces.
:O

[Trogtor]

http://steamcommunity.com/id/Trogtor

[Cybersix]

I use Beethoven's face...

[Timezbrick]

This sure is a face.