Why is it Called Bluetooth?

I recently bought a new pair of earphones. Usually after I buy a pair, I lose the little ear cushions that come with them one by one. One will fall off while taking them out of my pocket, so I’ll replace the remaining one with two of the ones that come with them. Then I’ll lose one of those, so I’ll resort to the final pair, which are usually too big or too small. And then I’ll lose another one, and have to start using different sized ones: small in the left ear, and big in the right one, for example. Continue reading