A Quick, Real-World Discussion of LTE Speed

This discussion of LTE performance nicely, and in non-technical fashion, explains why an LTE network's theoretical speed is not often the typical speed experienced by a customer.

Given that most mobile device data consumption these days happens when users are on Wi-Fi, blazing speed might not even add as much value as people expect. And, of course, user experience is powerfully affected by the far-end servers--and the subsequent round-trip latency of those servers,  at any moment in time. 

That might especially be important for mobile access, since mobile apps often are assembled from several to many different physical locations, so multiple latency sources are introduced.  

As a rough measure, latency greater than 450 milliseconds will provide unsatisfactory experience.