I agree on the extra functionality for the iPad mini. Then again, I think all the small yet capable tablets should have phone call functionality. At the end of the day one could use a Bluetooth or wired headset.
What are the engineering and design challenges in creating successful IoT devices? These devices are usually small, resource-constrained electronics designed to sense, collect, send, and/or interpret data. Some of the devices need to be smart enough to act upon data in real time, 24/7. Specifically the guests will discuss sensors, security, and lessons from IoT deployments.