During the course of last one year, I have noticed certin changes in Google Search Result Page. Where I a trying to make a list of change on result page, yet my order could be wrong :).
1. Google trying 4 Paid Listing above natural results:
2. More Than 8 Site Links:
3. Left Hand Side Tool Bar for more in depth Search, After Bing :)
4. Google Checkout Option in Adwords
5.Google Product Search Results
6. Google added breadcrumbs to search results
7. Caffeine Update
Please Let me know If I missed something................