Newton's Theory of Gravity states that every object in the universe pulls on every other object. Every object feels this force, so it is a universal force. The force is always attractive; it is always a pull, never a push. Picture the force of gravity as the tension in an imaginary rope between two objects.
The whole point of a USB drive is to store lots of data in a small space, so think about what kinds of files you'll want to house on your flash drive. Movies and music take quite a bit of space, so if you're carrying your whole entertainment library with you, you'll want a big thumb drive â at least 16GB.
February 24, 2016: SanDisk has released a new flash drive featuring the new USB Type-C standard. SanDisk claims that the Ultra USB Type-C drive offers sequential read speeds up to 150 MBps in capacities up to 128 GB, but the company hasn't announced the write speeds for the new drive.