Google Sitelinks is nothing new, we've been reporting on it since 2006 and Google has changed the layout and number of sitelinks displayed in the search results over the years.
The latest layout I have been seeing reported over the past few months were a form of jumbo sized sitelinks. We saw sitelinks with descriptions last month but check out the screen shot below.
Here is a screen shot posted in WebmasterWorld. Some people are saying they can replicate the 12 sitelinks, that take up most of the search results real estate for navigational queries such as Amazon, BBC and so on. Here is that screen shot:
What do I see for those navigational queries? I see normal sitelinks:
Personally, I really do not like the jumbo sitelinks. Do you?
One person in the WebmasterWorld said, "That looked so much like a parked page. Hope this is not the future of G!"
Forum discussion at WebmasterWorld.