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.
A manufacturing bottleneck is a constraint or choke point that limits production output. Many manufacturing operations suffer from bottlenecks caused by one or more machines and the bottleneck may change depending upon the actual product being manufactured.