2.  They were invented in 1991 and the first model was called the Psion 3. The Psion 3 ran various programs and included a modem to handle dial-up Internet.  They were invented and introduced by Psion and Apple

3.  Netbooks are made with the same materials that a regular laptop is made with just in smaller sizes.

5. Before 2007, affordable “portable” laptops were clunky 12-15″ abominations weighing at or above 6 lbs but now they are much sleeker, have additional storage space. It is also more portable since there is no need for dial-up connection

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