Bluetooth File Transfer is not just for copying files between two devices, you can also use it to edit, create, delete, move and rename files, either on your device, or another Bluetooth-enabled device, such as a PC, smartphone, PDA, or a music player.
Meaning and definition of bottleneck effect : Genetic drift resulting from the reduction of a population, typically by a natural disaster, such that the surviving population is no longer genetically representative of the original population.
rubberneck A person who gapes and gawks; one who stares intently at something or someone; a curious observer; a tourist. This expression alludes to the elasticlike neck contortions of one trying to view everything in sight.