[johnjreiser]

For some interesting historical perspective, here's what Microsoft and partners had to come up with in 1998 to support Terraserver and it's 3TB of imagery. http://research.microsoft.com/pubs/68552/msr_tr_98_17_terras...

[mmanfrin]

Neat that mapping Terra required them to build a computer capable of storing terabytes.

[andylynchnz]

Not a coincidence - it was built to demonstrate the scalability of their technology to Terabyte datasets.