In case you ever forget that livestreaming content to a flat glass rectangle is a miracle, have a look at what portable video used to require.
In the 1970s, Sony hired the now-legendary industrial designer Hartmut Esslinger to revamp their global design direction. One of the numerous objects Esslinger designed was this Sony TV-501 "Mr. Nello," a portable television released in 1977.
The technology of the era required the object to take the rough form of an oscilloscope. A decision had to be made: Do we orient the rectangular face of the object in portrait, with the screen up top? Or do we orient the rectangle in landscape, with the screen on the side?
The answer became: Both. Esslinger designed the screen to rotate so the object could be used in either orientation. Amusingly, the bezel has both internal detents and external markings at every 10 degrees, in case the user preferred to view images at say, a 50° angle.
As the object antedated the mass-market uptake of VCRs, there was no video input. "Streaming" (i.e. antenna-based receiving) only.
Your smartphone's weight is measured in ounces. The Mr. Nello's weight, in pounds. I couldn't find the precise figure, but consider that it requires nine D-batteries to power, meaning the batteries alone would weigh nearly three-and-a-half pounds. (Alternatively, you could plug it into mains power.) And that vacuum tube probably isn't light!
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