Floppy Disks
Remember when everybody had floppy disks on their computer desks? We thought that they were amazing because they contained so much information. But they became obsolete when USBs entered the picture and online storage became available. It’s crazy but the standard floppy disk only has 1.4 megabytes of memory.

However, some industries still use floppy disks. Older airplane models like the Boeing 747 require them while some medical equipment also relies on floppy disks. It shows that they’re not useless just because ordinary people don’t use them every day. But most folks don’t assign any worth to them now (via SCMP).