Orders party platter for platter party Seagate is celebrating the shipment of its one billionth disk drive after 29 years in biz. The storage giant reckons it will reach its second billion in less than five-years' time. Seagate said it's shipped the equivalent of 79 million terabytes of storage since the company made its first hard drive in 1979. The ST506 hard drive Its debut product, the ST506 hard drive, had a 5MB capacity, weighed about five pounds, and cost $1,500 (£757). Today, Seagate sells 1TB drives for under a third of that price. The company figures its next 1,000,000,000...