The TV Autograph Signer (1935)

Have you ever been watching a musician on TV and wanted their autograph? That was going to be possible in the future, according to Gernsback, who imagined just such a device even before the vast majority of people had even heard of television.
From the February 1935 issue of Radio-Craft magazine
While you are looking at the artist on your television screen, the announcer will hand him a photograph, which he will autograph before your eyes. This photograph is then taken into the adjoining control room, where it is automatically transmitted on the same wavelength as that used by the broadcast station; and, in a few minutes, it will appear in front of your radio set in a slide provided for that purpose. The technical difficulties of doing this are but slight. It has already been demonstrated by several stations that television images can be sent out simultaneously with the sound impulses, over the same wavelength, without interfering with each other. The idea, therefore, of sending autographed photographs or other similar documents from the radio station to your own home and over your own set is, therefore, realizable even today. With certain refinements, the radio set of 1950, therefore, will not only be enabled to furnish you with your morning tabloid newspaper, giving you “spot” news information, but also autographed photographs and other memorable pictures that the enterprising station will wish to send out to its radio public.
Obviously, we need this for TikTok. Though someone still needs to work out how you deliver a signed paper through a phone.