On September 25, 2013, the Kindle Fire HD was upgraded as the third generation Fire, priced at US$139, and the Kindle Fire HDX was introduced. The Kindle Fire HDX had an improved graphics engine, double the memory, and triple the processor speed of the previous model.
Washington, wary of the dangers posed by an individual's becoming entrenched in the presidency, created a two-term tradition that remained intact until Franklin Delano Roosevelt's third consecutive election in 1940.
The incumbent president, Barack Obama, is ineligible to be elected to a third term due to term limits in the Twenty-second Amendment to the United States Constitution. The winning presidential candidate will become the 45th President of the United States and will take office on January 20, 2017.