Microsoft has proudly announced the addition of something that looks very similar to Google sitelinks to their search results.
In fact if I was Google I would be digging out the patent they have that shows how these results are generated and thinking hard about whether to challenge how Microsoft is doing this.
One commenter put it quite well after the announcement:
Wasn’t the process you went through more like this?
1/ We looked at what Google were doing
2/ We copied it
this is not new http://www.seroundtable.com/archives/016298.html