[Giovonny]

The beauty of this move is that you are sort of indirectly introducing yourself to the girl. She can hear your voice and get a feel for your vibe. If you handle yourself smoothly on the phone, she might develop a little interest and curiosity about you even before you even approach. Its just a way to show some value and try to get an advantage right away. Day time cold approaching is hard enough. We need any advantage we can get. This move can come in handy on a train platform, at a bus stop, walking down the street, or even getting into an elevator.