↑ Colapinto, John (October 3, 2011). "Famous Names". The New Yorker. สืบค้นเมื่อ October 9, 2011.
↑ M., M. (November 3, 2011). "BlackBerry 'leading' the smartphone charge". Nation Newspaper. สืบค้นเมื่อ December 16, 2011. “In the Caribbean, we actually have the highest penetrations of BlackBerry Messenger worldwide – up to about 90 per cent. So every nine persons who buy a BlackBerry with a data plan is using BlackBerry Messenger,” said Friar.She further told the Daily Nation: “I can say that BlackBerry in Latin America and the Caribbean holds the number one smartphone position with market share of over 45 percent, based on industry stance.” line feed character in |quote= at position 226 (help)
