This is The Founders' List - audio versions of essays from technology’s most important leaders, selected by the founder community.

The following is a reenactment of an email conversation between Facebook CEO Mark Zuckerberg and Instagram CEO Kevin Systrom about Facebook's acquisition of Instagram between the dates of March 20th and April 9th of 2012. They discuss concerns, how their pathways cross, and how the potential acquisition will benefit both companies in the long-run.

Mark Zuckerberg - "I'm glad we got a chance to talk yesterday. I appreciate the open style you have for working through these issues. It makes me want to work with you even more. I was thinking about our conversation some more and wanted to share a few more thoughts..."