Maybe one of the most complete collection of thoughts around the sharing icon variety. And a nice discussion in the comments - what is not that common.
Share: The Icon No One Agrees On
And why iOS 7's icon is nicknamed the "uploader" - What do each of these symbols have in common? They are all trying to convey the exact same action - share! Sharing to a social network or via email is a ubiquitous action nowadays but designers have still not been able to reach a consensus on what symbol to use to represent it. Not only does each major platform use a different icon, but they've each witnessed changes over the years.I have spent ...