I’m pretty sure that Frank Visser’s [Integral World](http://www.integralworld.net) site has pop-up ads. Every time I go there, I get a pop-up – when I go back or reload, I can’t replicate it, but it seems to keep happening. I’m sympathetic for the need for revenue to keep a big project like that going, or even to make it seem worthwhile, but… Pop-ups??
That plus the irritating frames layout are making it less and less pleasant to visit.
I’m just saying.
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