Secure Digital overtakes CompactFlash market share, CF is still the cheapest

The CPRM-protected Secure Digital format grabbed 30% of the US flash memory market in October, overtaking Compact Flash for the first time. CF took 28.8% share and Sony's Memory Stick formats 22%, according to the market research firm NPD Group. Although technically antiquated, CF still enjoys economies of scale from its long leadership, with 1 GB cards retailing for about $400.