HOW FAR WE HAVE COME: Tech Time Warp of the Week: The World’s First Hard Drive, 1956. “IBM unleashed the world’s first computer hard disk drive in 1956. It was bigger than a refrigerator. It weighed more than a ton. And it looked kinda like one of those massive cylindrical air conditioning units that used to sit outside your grade school cafeteria. . . . The RAMAC hard drive could hold roughly 5 MB of data, the equivalent of an MP3 music file. That may seem puny, but in the 50s, it was enormous.”