SD and XD memory cards - Tech Support

SD and XD memory cards: Posted by Boothbay on March 18th, 2007; Can someone tell me the differences, and why "SD" is cheaper than "XD"?; Posted by Cliff Hartle on March 19th, 2007; According to Wikipedia, SD cards are an open format where is xD is
proprietary like Sony memory sticks.

http://en.wikipedia.org/wiki/XD-Picture_Card

"Boothbay" <harri85274@aol.com> wrote in message
news:1174245582.016954.216200@n59g2000hsh.googlegr oups.com...; Posted by Bucky on March 19th, 2007; On Mar 18, 7:20 pm, "Cliff Hartle" <cliff_har...@msn.com> wrote:
right, and that means xD cards have less volume, less competition,
which all leads to higher prices.

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