"Kodak" branded flash memory is made by Lexar.
SanDisk's Shoot 'n Store cards are in 20,000 retail outlets, and sell best in drugstores. They don't sell as well in grocery stores.
Flash memory vendors are hoping consumers start using their cards just once so that (1) the cards become a form of archiving and (2) the vendors sell more cards.
Once memory cards fall below $10, they can be treated like film used to be.
The most popular format for lower-end cameras is SD.
(These comments were made in Flash Cards Diversify As Competition Intensifies.)