One day, a user uninstalls your app. You don't know why she did it, you don't have any way to get back to her and ask for a feedback.
I always wondered why developers took so much time to put "64 bit support" in their release notes. Here's what I found out!
With Multipeer Connectivity, nearby applications can discover, connect and exchange data between them without being connected to an external network/WAN. Moreover it works seamlessly over WiFi or Bluetooth on any iOS device with Bluetooth LE capabilities.
Here are my slides from the workshop I did at the App Development and Marketing Master Class at The Coalition on 15th March 2014. The presentation aims to help you figure out how to decide what to build, finalize a feature set, hire design and development teams and take your app to the store.