From the room-size monster that cost a king's ransom to the diminutive device that today costs just a few bucks, the evolution of the hard drive is an amazing story of an industry that's continually delivering more for less.
In just 30 years, the cost of storing a gigabyte of data has plunged from more than $100,000 to mere pennies. Allow us to present the wonderful and amazing history of the hard drive.
Classroom technology has been revolutionizing the learning experience ever since the first abacus was used in Mesopotamia all the way back in 2700 BCE—and it's been moving especially fast since the latter half of the last century.
So, what technological teaching aides came before the laptop and tablet? Read on to find out, and feel free to take (Ever)notes—there may just be a quiz at the end.*
*Not really
