PSP is the third console of the line PlayStation (fifth counting the reviews of the previous, or seventh counting the only released in Japan) and first incursion of Sony in the market of the laptops; It was officially presented at the Sony company on October 17, 2004.
It was launched on December 12, 2004 in Japan. the PSP "slim " Console review was launched in September 2007. In August 2008 launches on sale The PSP-3000. is currently available worldwide. The console was discontinued in Japan on June 4, 2014, while in America was stopped manufacturing at the beginning of 2014.
The console was very successful in its first days of marketing [citation required]. The first week got the figure of 2 million units sold. At the end of 2007, the sales figures of the console were placed in 29 million of sold units, a pretty good figure, although not equiped with the sales of its direct competitor, Nintendo DS