The evolution of the PlayStation saw the original PlayStation console released in 1994 using CD-ROM technology, selling over 102 million units globally. Sony then launched the PlayStation 2 in 2000, discontinuing it worldwide by the end of 2012. Next was the PlayStation 3 in 2006, initially costing between $499-$599 but later reduced. Sony's PlayStation 4 was released in North America and Europe in 2013, in Japan in 2014, starting at $399.

1. The evolution of
the PlayStation

2. PlayStation (abbreviated PS, PSOne and, informally, PSX)
was the first video game console developed by Sony, released
in 1994.
The PlayStation is considered the most successful console of
the fifth generation in both sales and popularity. He was very
successful in using the CD-ROM, unlike other companies that
already had been used, such as Sega (Sega CD), Panasonic
(3DO), Phillips (CD-i) and SNK (Neo Geo CD). It is estimated
that worldwide Sony managed to sell 102.5 million units.
The PlayStation was released for sale on December 3, 1994
in Japan on September 26, 1995 in the U.S.. UU., In Europe
on September 29, 1995, and Oceania in November 1995. It
cost 185$

3. Launched on March 4, 2000 in Japan on October 26,
2000 in the United States and November 24, 2000 in
Europe, the last working day of 2012, PlayStation 2 was
discontinued worldwide. It cost 199$

4. The PlayStation 3 was launched on November 12, 2006
in Japan, on November 17, 2006 in Norteamérica and
March 23, 2007 in Europe and Australia. It cost
599€/599$ and 499€/499$.

5. Its launch will be November 15, 2013 in the United
States, Europe will be the November 29, 2013, while
in Japan will be the February 22, 2014. It cost 399$.