It's a Mystery to me

You know how your web browser lists your bookmarks or "favorites" in a sidebar on the left side of your screen? And it puts little icons on the left of each website it recognizes? For example, my blog has a little blogger icon, Mona's Vox blog has a white V on a red background, Continental Airlines has their logo, and The New York Times has a fancy initial caps T from its header.

So how cum my "Harrah's Total Rewards" bookmark has The New York Times logo attached to it? Come to think of it, Delayed Reaction's blog has the Y from the Yahoo! logo attached to it. It's a mystery to me.