The bakery has grown sevenfold since then--mostly on Bell's watch.

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Bell was serving a life sentence for murder and was on suicide watch because he had a history of self-harming.

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Pacific Time on Friday, hundreds more employees returned to the campus to watch Mr. Zuckerberg ring in Nasdaq's opening bell.

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Bell relates how he likes to sit in his living room and watch as a lifetime of photographs are snatched by the program from his huge library and played in a slideshow on his 50-inch plasma television.

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Bell, who had a history of self-harm, was on suicide watch and was meant to be monitored every 15 minutes.

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But if a family is concerned, when you're actually trick-or-treating, if you watch your child go to someone's door, ring the bell, and the other family comes to the door and hands them candy, it's one way of knowing it's a safe and comfortable gift of the candy.

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