Mike Krieger

You can't start a product simply by building it. You have to know why you're building it, and you might go down the wrong rabbit hole, waste time, and confuse things. Spending long afternoons with a sketchbook or talking through your ideas with other people can save a year in software development later on.

Chobani did a really wonderful yogurt campaign on 'Instagram' to shift perceptions away from the fact that they were just yogurt. And they had a 7-point incremental lift on shifting that perception through a brand advertisement on Instagram.

If Obamacare is allowed to stand - and Congress is allowed to make the purchase of government-endorsed health insurance compulsory - there will be no meaningful limit on Washington's reach into the lives of the American people. That is certainly not what the Founders intended.