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.
Examples of the Bottleneck Effect. Let's take a look at some examples of the bottleneck effect in nature. Northern elephant seals were hunted until their population was reduced to 20 individuals by the end of the 19th century. They were saved from extinction, and their population is now around 30,000.