How did your greatgrandfather's tablet look like

I’ll keep this photo for my grandson. So, some years later I’ll tell him: „Look Jonas, this way did smartphones and tablets look like, when your greatgrandfather’s father  was young!“


Copy, if - case of emergency - embedded twitter photo from @HistoricalPics does not work

I had been writing about this phenemenon in february 2013.
Source:
https://twitter.com/HistoricalPics/status/500620648495210497