Profit margins for feature phones may be very thin (they contributed just half of Nokia's total phone revenue), but these economies are rapidly getting richer.
One unpredictable feature of Parinacota is the snow formation known as penitentes, thin, icy spires that can grow several metres tall and can make progress difficult, or even impossible by blocking the usual climbing routes.
Ultrabooks are defined by Intel as being notebooks that are very thin, have long battery life, sport elegant design, boot up quickly, and feature advanced security.