This is The Founders' List - audio versions of essays from technology’s most important leaders, selected by the founder community. The memo below was sent to the team at Tiny Speck, the makers of Slack, on July 31st, 2013. It had been a little under seven months since development began and was two weeks before the launch of Slack’s ‘Preview Release’. "When you want something really bad, you will put up with a lot of flaws. But if you do not yet know you want something, your tolerance will be much lower." Read the full memo here - https://medium.com/@stewart/we-dont-sell-saddles-here-4c59524d650d