Hard disc players are larger and heavier than Flash memory players,
but no one would call them too much to carry. Hard discs are more
vulnerable to failure through rough handling than flash memory
players. Even so, failures of hard disc machines are rare. There are
many millions of iPod owners, including lots of children. Failure due
to a damaged hard disc is unusual. Hard Disc and Flash players are
vulnerable if accidentally dropped, but the damage is usually a
cracked LCD, broken case, or non-functioning control button.
Hard discs become more vulnerable as altitude increases. Most hard
disc manufacturers list 3000 meters (9850 feet) as the operational
ceiling. If you're planning to go higher than this, be very careful
when using your player.
Flash memory players have none of these limitations. They are
smaller, lighter, and use battery power more sparingly than Hard Disc
players. And they can be used without concern at any altitude on
Terra Firma.
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