The Most Epic Safety Video Ever Made

[Gob]

[TPFKA@W]

[MajGenl.Meade]

In the event of a water landing, you may get Weta?

[Lord Jim]

What possible danger can an electronic cigarette pose to the operation of a plane?

[MajGenl.Meade]

Wiki, he (or she) say:

Emissions from e-cigarette contains flavors, aroma transporters, glycerol, propylene glycol, nicotine, carcinogens, heavy metals, ultrafine particles[neutrality is disputed], and other chemicals. The levels of contaminants do not warrant health concerns according to workplace safety standards

I imagine there may be two problems:

o the inability of airline staff to distinguish between kinds of "smoking" equipment
o the psychological impact on other passengers who may complain (not knowing the difference)
and...

Three. There are three. The third is:
o it might actually annoy non-participants who don't want "vapor" blowing their faces