> Unfortunately of 3 categories of information needed for an informed decision (lifetime, power usage, and light output) purchasers only had a good measure of h

> Unfortunately of 3 categories of information needed for an informed decision (lifetime, power usage, and light output) purchasers only had a good measure of how often they replaced bulbs. I may be dating myself, but I have never in my entire life seen a light bulb sold without the wattage displayed front and center. It is by far a more accessible metric than when it dies, by which time I have long forgotten where in time immemorial I bought that particular bulb.