Love sending snail mail to family and friends instead of jumping aboard the email bandwagon? That is fine and dandy, but why not add a tech twist to it with these conceptual Google envelopes? The whole idea comprises sending snail mail through an additional button from within the Gmail interface, where it will show where you are on the map alongside your recipient’s location. Guess this works best on the same continent, but otherwise it would look rather confusing.

Conceptual page