At CES 2015 exhibition in Las Vegas, the new reversible USB slot. Called USB 3.1 type C, and will stop the hassle of connecting the USB cable from the right side.
Extra, the USB 3.1 enables much higher transfer rates with speeds of 10 Gb per second as opposed to 5 Gb per second we have today with the USB 3.0. Finally, the USB 3.1 can also transfer audio, videos, and charging voltage 100 watts. This slot will replace the current type a (level plug) and type b (Micro-USB) during 2015.