> For example, Netflix supports hundreds of different video formats in various resolutions for each device, from mobile devices to smart TVs. Without device det

> For example, Netflix supports hundreds of different video formats in various resolutions for each device, from mobile devices to smart TVs. Without device detection, how would that be possible? Device detection is different from content negotiation. This statement is similar to a statement that ignores the HTTP Accept-Language, and claims that location access is necessary to build internationalized websites.