"E3 2003: More details about the PSP". E3 2003: More details about the PSP". . 2003-05-13.Thorsen, Tor (2004-05-11). "Sony shows off the PSP at E3". PSP (PlayStation Portable) set to release on March 24 across North America". 2005-02-03."PSP (PlayStation Portable) set to release on March 24 across North America". "PSP US Launch Date and Price Revealed". "Sony names US PSP launch date, price". The Register.Smith, Tony (2005-02-04). "Spot On: The US PSP Launch". "Sony PSP Sales get off to lackluster start". . "PSP (PlayStation Portable) sells more than a half million units in its first two days". A New York Stock Exchange Listed Company () Variety for A Better Life More than a million different Items, 1000+ new items everyday Discover new trendy products for you with big data technology Special made-to-order items only at LightInThebox Low Price via Factory-Direct Work with factory directly to cut the middle man Forster innovations in manufacturing to improve efficiency