The first Google example is a nice one: You could have only one icon for each group (one trash for all the 'delete' actions', one share icon for all the 'share

The first Google example is a nice one: You could have only one icon for each group (one trash for all the 'delete' actions', one share icon for all the 'share / download' actions, etc). That would be really helpful, for what it is worth. Globally, I had a pleasant time reading this article which was way too dedicated to something that is almost invisible in its current state (ie: I don't notice those icons and surely think they aren't _that_ helpful for any type of user unless used in a rare way).