IBM seems to have made a bit of a faux pas with a campaign that was supposed to encourage more women to work in science and technology. But women in the industry are pretty insulted with the computer giant's online campaign asking women to use a hairdyer of all things to experiment with. They tweeted a video (which has since been deleted) explaining that less than three in ten science and engineering jobs are held by women. So the idea was probably in good faith, but in future they may want to get a second opinion on how best to...