Over the next 5 years, sales of slotted phones (cellphones with a removable memory card slot) are expected to grow at an annual average rate of 52%, with almost 75% of all new phones sold in 2010 likely to include a slot. Meanwhile, sales of memory cards for cellphones are expected to grow at a rate of 53% over the next five years, reaching almost 1.1 bln cards by 2010, Strategy Analytics predicts.