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My own experience saw the first batch of bulbs burn out after about a month. I tried another set and so far working great after . . . so many months I forget. That's good but . . .

There has been some negative buzz. The bulbs contain mercury, which is a deadly toxin. If you accidentally break one you are supposed to leave the area immediately and not return without a ventilator. This is especially true for pregnant women and children.

If I remember correctly, one drop of mercury can contaminate 10,000 gallons of water. Each bulb contains an amount equivalent to the head of pen. Multiply that though by hundreds of millions. You are not supposed to throw them away but recycle them, but there is no real recycling option available in most of the country. And even if one comes online, either through the actions of some entreprenuers or government intervention, are we going to have to set up actual recycling police to make sure people don't just throw them out? This will have to involve increased costs over and above the costs of the bulbs.

Once again we learn there is no panacea, only trade-offs.