Micro data-center in each home. Then we can just attach the input and output devices to said data-centers, and skip the whole video encode/decode step as well.

Are you suggesting that there be a home-installed computing device dedicated to the needs of one person? I suppose this could be called a "Personal Computer".

You, my friend, just made a trillion VC megadollars.

I mean we use Uber and book rooms on AirBnb. Why not to share gpu cycles ?

I cannot tell of this is sarcasm.

ikr? data center sharing economy with price surges and all.