What made you decide to include social sharing options in a program whose mission is to be simple? Is social sharing the kind of functionality that's critical e

What made you decide to include social sharing options in a program whose mission is to be simple? Is social sharing the kind of functionality that's critical enough in your opinion to fall under the threshold of simple, or is it just so easy to implement social sharing in OS X Yosemite that there's no reason not to include it?