1. which are much more difficult to duplicate or steal
2. which refers to metrics related to human characteristics
3. who is a government employee
4. who is a professor in biometrics
5. when they are used worldwide
6. who are now offering biometric login services
7. which was launched with a new device recently
8. which will recognise face shape, irises, heartbeats
9. who are already using biometrics
10. where it has really taken off
11. when we get to the end of 2015 (?)