Yes, well kids are a whole 'nother level, of course. I have two dogs, and while I pretty much owe my life to them and their, umm, dogged instance on long walks every night, I would probably weight them a net negative in terms of workday productivity.
Oh, come on. There's really nothing like being on a phone conference with the rest of your team and a couple of important customers and having a dog run through your office with a squeaky toy and the other dog in hot pursuit.
