[rubyfan]

In related news, Teleportation Could Make Airplanes Obsolete if only physicists can figure out how to transmit and re-assemble humans correctly.

[fsloth]

Moving sidewalks are like electric cars - the fact that they are used or not is not about basic infeasabilities of engineering (although there is development needed) but of politics.

A moving sidewalk seems much more plausible and practical than a hyperloop in improving transportation.

[mikeash]

Nobody knows how to build a teleporter, whereas moving sidewalks are pretty mundane technology by now.

[gumby]

Not outdoors!