At least two, but they have to be pretty small to fit.
One Brazillion.
I don't know, because they charge you $500 for the iLightbulb.
I don't know... I broke the lightbulb after I threw the first one.
November.
The bear maximum
I don't know, I can't get them outside of the house.
One to screw in the lightbulb, stock four carts of supplies, and handle seventeen simultaneous customers at any one time for five consecutive hours.
Well, turns out one is not enough, but if you pair it, two can.
At a mars bar !
the Martians