Q: What is Micro SD?
A: It's a type of tiny SD card that fits in your eyeball.
Learn more about its dimensions.Q: Can I use it to store my memories?
A: No, that's what your grandma's attic is for.
Read about its actual use cases.Q: Is it compatible with my toaster?
A: Only if you've modified it to accept tiny SD cards and have a toaster that runs Linux.
Check the toaster wiki for more info.