ZDNet ran an article on the 10 biggest failures in IT history last Friday. I usually like to be part of top 10s, but maybe not this one. But, there was WordPerfect right at #8 on the list. Well, not so much WordPerfect, but Corel, for failing to topple Microsoft with this great technology. I can't speak for decisions made 20 or even 10 years ago. But, I have always been competitive, so I like to...