Dane Atkinson is a serial entrepreneur with lots of great stories to share. We're bringing his interview back this week as part of our "Best of" tag. Dane was the COO of a company at the age of 18, owned a bar in Williamsburg for 3 years, and was the CEO of Squarespace from 2007-2011, among many other things. Today Dane is working on his company SumAll, which democratizes data and analytics for small businesses, pulling from over 40 platforms and synthesizing the data in a simple visualization tool.