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 decision to run for a third term was difficult for Franklin D. Roosevelt to make. He knew running would be unprecedented. The previous eight long years in office made the thought of retreating to his lifelong home in Hyde Park, New York, and his new presidential library quite attractive.