I would expect that USB charging ports will become ubiquitous very soon -- starting with Wi-Fi hot spots -- perhaps Starbucks.
Hauling around a wall wart will be passe... a stub-whip from iPad to USB will be considered common as dust.
These ports will augment/ supplant Cat 5 ports... but with an eye towards the new mediums.
PCs are yesterday's revolution -- sales are dropping -- from 330,000,000 per year to only 300,000,000 per year. (They must be staying in China.) iPads and its clones are simply exploding across the planet.
USB ports stop local super-saturation of WiFi networks.
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And there is a movement to make LED lumieres powered via Cat 5e ... which can then be digitally mapped by an App... up and down the scale: both brightness and color and color temperature.
In this scheme, the fixtures can be cabled and re-cabled by DIY owners, at will, and without any fire hazards.
Certainly, this will be the wave of the future for hazardous locations -- in very short order.
We may have to re-install every lumiere ever made during the next twenty-five years.
Certainly, this is the death of the Edison A-19 lamp/ bulb... until more sense prevails.
(There are no end of short-life applications where the A-19 classic makes perfect sense. Instead of out lawing them... these energy pigs should have had a nuisance excise tax applied... Just nothing too drastic. As it stands, we're not supposed to have them -- even when the lumiere is a period piece in a historical setting. Perfection is the enemy of the Good.)
