Ads for not a dime in profit

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So, on every page we get this thing that says in ugly bold letters right when we edit: Wikipedia is not an advertising service. You know what I'm talking about. You've seen it, too. Question is: What if it's a link to a blog, and there's not a dime of profit in it? I'm think, on the user page it'd be "userful" (*yeah, I know, dumb pun, but couldn't help myself). It'll tell you something about the interests and wacky soul behind the guy. Acceptable? I guess I'll find out. I'll try posting it and learn the hard way if someone doesn't agree with me. ALEX