Shipments of hard drives reached 254.3 million units in 2003, a rise of 16 percent from the previous year, according to data released Wednesday by market researcher iSuppli. The growth was attributed in part to the adoption of smaller drives in consumer electronics gadgets, blade servers, ultra-slim notebooks and tablet PCs.

Read more: CNet News (http://news.com.com/2100-1041_3-5149106.html).

I'd guess hard drive based mp3 players helped

I recon all these games taking up 1-3GBs each were the cause! Thats what made me go get a 80GB to replace my 30.