People crave trustworthy information about the world we live in. Some people want it because it is essential to the way they make a living. Some want it because they regard being well-informed as a condition of good citizenship. Some want it because they want something to exchange over dinner tables and water coolers.
The queen of aggregation is, of course, Arianna Huffington, who has discovered that if you take celebrity gossip, adorable kitten videos, posts from unpaid bloggers and news reports from other publications, array them on your Web site and add a left-wing soundtrack, millions of people will come.
Everything is accessible to everyone all the time, and I think there are wondrous things to treasure with what the Internet has made available to journalists. But I think it's also had some effects that are less pleasant. It has chipped away at a sense of privacy and secrecy.