Mobile phone memory has skyrocketed, to the point that it now accounts for half of SanDisk's revenues. Mobile sales, which were virtually nonexistent five years ago, have doubled in the last year. The Silicon Valley company is the worldwide leader in mobile flash memory. It had a 44 per cent market share in 2009.
SanDisk flash cards are key accessories of smart phones, digital cameras and portable music players. The company is also among the leaders in the nascent market for solid state drives. Flash cards for digital cameras is SanDisk's second largest source of revenue.