Annalee Newitz and Charlie Jane Anders on 10 years of io9.
Annalee: We wanted to have a vision of the future for our readers that wasn't completely silly but that wasn't hopeless and dystopian. And again, part of covering science was very important to that because it was about how our stories could actually infect reality in a good way, and that what we dream can come true and that science and science fiction are part of the same project, which is to progressively improve reality for the maximum number of people.
They planned on naming it "Futurista" but couldn't get the domain. 'io9.com' turned out to be tough because of i/1 and 0/O confusion, and because the domain was heavily penalized by google due to prior use for porn, but the site was so good (and so successful) it didn't matter for long.