Memory sizes have been reducing since their inception. All types of memory devices including hard disks, removable drives, memor cards, usb drives, all have been getting smaller and smaller. That is how they have been increasing their capacities in the same casing. Micor SD is an example of such miniaturization.
Today I’m goign to talk about a miniature memory card reader that I just got my hands onto. This card is almost as small as the memory card itself. More interesting part is, it looks as if its all plastic and gets inserted into a normal USB slot and works just fine. See for yourself: