If you are building software apps, at some point you will likely need to build an image hosting service (let's be honest, probably more than once!). Image hosting is a core feature of many apps, and it's important to get right. We all know the best practices for building image hosting in the cloud. Start with Amazon S3 for the uploads. Then serve them up with a CDN like CloudFront. Easy, right? Well, as usual, the devil's in the details. In this episode of Mobycast, Jon and Chris kick off a two-part series detailing how to build a massively scalable image hosting service. We share hard-won tips and tricks so you can avoid common pitfalls when building your own solution.