A Picture is Worth: Smartphones in 1930
TreeHugger has noted that The smart phone is changing the way we live and work, and we are not the first to imagine its impact.
The fascinating thing about this vision of the future from a German magazine in 1930 isn't that they envisioned smart phones and Facetime, but that they totally got the culture right: two people sitting at a table and ignoring each other while they look into their phones. Nice that they made it ergonomic and gave it a handle, too. Found at Retrofuturism.
If you can read German, here is a version with a description.