itnews.com.au has an article discussing The good and bad Of Web 2.0 tools

Worth noting that there is more buzz about Enterprise 2.0 now. All this leads to the need to think about how IT departments will deal with user communities (who often have better tools at home than at work) and their desires for more easy to use functionality like that available online in web 2.0.

IT departments are focused on stability and order, while the user community just wants to get on with things.