Streaming DStv on more than one device

Need help streaming DStv? We've got some answers for you.
Can I stream DStv on my phone?
Can more than 1 person stream DStv at the same time?
What is considered a mobile device?
How many people can stream DStv on my subscription at the same time?
What is concurrency?
Why am I getting a “streaming limit reached” message?
Is there a delay between removing a device from my subscription and using a new one to stream?
What is DStv’s mobile stream?
How do I add a mobile stream to my subscription?
How do I remove a mobile stream from my subscription?
Do I need to have a decoder in order to use DStv Streaming?