| Interfaces everywhere: interacting with the pervasive computer Recent countries visiting this post |  |
 | 5 | United States |
 | 4 | Ukraine |
 | 1 | Russian Federation |
 | 1 | Taiwan |
 | 1 |
| Interfaces everywhere: interacting with the pervasive computer Recent countries visiting this post | |
| 5 | United States |
| 4 | Ukraine |
| 1 | Russian Federation |
| 1 | Taiwan |
| 1 |