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 conventional account of this tradition, provided by politicians, scholars, and pundits, describes Washington's refusal to seek the presidency following his second elected term as giving birth to a convention restricting the chief executive to two terms in office.