In the Mobile World Congress edition of its Mobility Report, Ericsson has found that streaming delays and outages lead to dramatic jumps in the viewer’s stress levels. What a surprise. Using “neuroscience technology,” later identified as a wireless electroencephalography (ECG) test combined with pulse monitors and eye-tracking equipment (but not a next-gen Nielsen box as we might have hoped), Ericsson suggests that the streaming performance of a service will significantly impact the viewer’s perception of the provider. It sounds like pure common sense, but it’s interesting to see some science thrown at it to determine exactly how rage-inducing dropped frames and stuttering pictures can be. But from our experiences the entire cellular industry has known this for about 5 years.…