There are various kinds of implements in IoT field, especially for Bluetooth Low energy. Not only in ARM based MCU (M0 or M4) firmware developing, but also relating to sensor's algorithm. Customer often comes up plenty of queries during development. In order to help all developers smooth and success the works, Nordic build up a community called as Nordic Developer Zone., which can help all developers to have a place asking questions, checking blog posting, looking for resources, and even learning from tutorials.
To make half baked idea become real, why not take a quick look of this community immediately?