Is this the perfect save icon?
Etch
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Talkin’bout digital leadership…in my region a business initiative (surely also taking charge for the 4th industrial revolution *sigh*) went all out and had a design competition around the “Save as” icon and here are its results: http://speichern-unter.net/ Actually I do like the amateur section’s first place best, but do agree with Neil Sweeney below that for anyone using phones/tablets and other consumer facing applications saving should happen transparently and a save button should be a placebo at most.