| The generalized perceived input point model and how to double touch accuracy by extracting fingerprints Recent countries visiting this post |  |
 | 6 | United States |
 | 1 | Germany |
 | 1 | Turkey |
| The generalized perceived input point model and how to double touch accuracy by extracting fingerprints Recent countries visiting this post | |
| 6 | United States |
| 1 | Germany |
| 1 | Turkey |