| From "I Like" to "I Prefer" in Collaborative Filtering Recent countries visiting this post |  |
 | 9 | United States |
 | 4 | Russian Federation |
 | 3 | Brazil |
 | 2 | |
 | 1 | Germany |
 | 1 | Greece |
 | 1 | Japan |
| From "I Like" to "I Prefer" in Collaborative Filtering Recent countries visiting this post | |
| 9 | United States |
| 4 | Russian Federation |
| 3 | Brazil |
| 2 | |
| 1 | Germany |
| 1 | Greece |
| 1 | Japan |