நன்றி: Google’s Top Ten Products (More Or Less)
Quantcast
1. Google Search
2. Google Maps
3. Google Image Search
4. Gmail
5. Google Book Search
6. Google News
7. Google Video Search
8. Picasa
9. Google Earth
10. Google Groups
ComScore
1. Google Search
2. Google Image Search
3. Google Maps
4. Gmail
5. Google News Search
6. Google Video Search
7. Google Product Search
8. Google Book Search
9. Picasa
10. Google Earth
(The only difference is that comScore counts Google Product Search, while Quantcast counts Google Groups).
