This post was originally sent as an email Hello Friend, Believe it or not, when John and I started Customer.io, we were scared to send you email. We thought: "We've got one shot at emailing you to check out our product. Let's make it perfect". Not communicating with you is the dumbest thing we've do...

How we took principles from Jekyll and applied them to our email editor.

How Aziz Ansari uses lean techniques to tell funnier jokes.

Why you should never use noreply when you send emails.

We're about 1.5 months in to building Customer.io and we've had pain we've had to overcome with supporting services. Some we expected. Some we were surprised to find. Here's how I wish our supporting services were: Healthcare Think Hipmunk for Healthcare You're able to compare each plan apples to apples. Pick the one w...

Steve Blank on creating a startup.

Having a phone number increases conversions. We built our own Virtual PBX using Twilio, OpenVBX and PHP Fog.

How to find prospective customers and reach out to them to

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Reducing your customer churn rate by targeting at risk customers with a retention email