Phillip Reyland and Roland Dubois, cofounders of Byte Dept., on creating products for clients instead of yourself. Four strategies to apply to every product: experience strategy, platform strategy, mobile strategy, and integration strategy. Rethinking the mobile bike app: using data to predict whether a bike will be there when you get to it. The experience layer versus the visual layer. Finding the right partner. Working with ad agencies. The difference between ideas and products, and how to explain it to your client. The wild world of wearables. And more.