There are some subtle new behaviors exhibited by Access 2007. I will leave it to you to decide whether these are "bug" or "features." One is found when applying a filter to a form which has a child form embedded.
A tag cloud is a set of "tags", words or phrases, used to categorize content on a website. The font size of each tag is weighted according to the count of tagged items. A large font indicates a frequently applied tag and a small font indicates a rarely used tag.