A reminder, if we needed it, of how much the world has changed

"Consider that 30 years ago, Seagate introduced the world to the SG-506 with 5 megabytes of storage for $1,500. Today they sell a 4 terabyte drive for less than $450. Where you used to get 0.003333 megabytes per dollar, you know get 9,320 megabytes per dollar in nominal terms."

From Matt Yglesias.