an Entity references as follows:
The BlackBerry Bold is a line of smartphones developed by BlackBerry, Ltd. The family was launched in 2008 with the 9000 Model. In 2009 the form factor was shrunk with the 9700 and the Tour 9630. In 2010 BlackBerry released the 9650 and 9780 refreshed with OS 6. In 2011 came the 9790 and 9788 along with the 9900/9930 series. The 9900/9930 and 9790 are touchscreen smartphones, released in August and November 2011.