With the news that CNN has bought iPad news app Zite, I started thinking about what tech companies have been bought by media organisations. I could think of a couple off the top of my head including Newsvine and Everyblock by MSNBC, Reddit by Condé Nast and Blogrunner by the New York Times. If you think of any others, feel free to pop them in the form below. I’ll publish the list as soon as we get it into some shape.