1.   At each step of the way, the information collected is saved in databases that can be used to aim ads.

2.   Last week NATO fighter jets destroyed three nationalist Serb missile sites in northwestern Bosnia after NATO aircraft were tracked by the radar that is used to aim the missiles.

3.   Two US astronauts stepped out into space Monday to repair motors used to aim the solar panels on the International Space Station, according to NASA.

4.   Strikers, rumour had it, used to aim at Scottish keepers hoping they would help the ball into the net or let it go through their legs.