Option to use the Machine's wifi as a dedicated link for the Frame

[fallenguru]

It'd be nice to have an option to dedicate the Machine's wifi to streaming to the Frame, basically have it act like a built-in version of the Frame's dongle.

• Especially when the Machine is connected via ethernet cable, the wifi would just sit there unused.
• The form factor and aesthetics are a big part of the Machine's appeal, IMHO—the Frame's dongle will stick out like a sore thumb.
• I'd like to use the dongle with my main desktop (which doesn't have wifi) and leave it plugged in there.

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Personally, I'd like to see a mode where this works even without a wired connection. Where the built-in wifi can flexibly switch between providing network connectivity (by connecting to a central AP) and streaming to the Frame (directly). Most of my games are offline, so I don't need network access while actually playing. Conversely, for browsing the Library neither bandwidth nor latency are critical, that should be fine streamed over (the regular, shared) WiFi.