1.   A number is pinned on each.

2.   First, where do runners pin race numbers?

3.   The company does not recommend that people give away their Social Security or PIN number.

4.   Those body measurements will free us from having to use passwords and PIN numbers, making our interactions with computer-embedded devices much less aggravating.

5.   After months spent devising a plan, they decided to kill people and steal their ATM cards and PIN numbers.

6.   If callers make an operator-assisted call using the calling card, they should make sure nobody overhears them when they give over their card and PIN numbers.

7.   New technology that uses sophisticated scanning devices to identify people, instead of bank cards and PIN numbers, is aimed at thwarting such crimes.