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While some smartphone users prefer a small, compact screen, demand has been rising for more landscape on the touchscreen. Phones as big as tablets - phablets - are popular, but some believe they're getting too big.
Gesture-based typing has been around for years, but the technology has now become so sophisticated that smartphone manufacturers are using it as a major selling point for their devices.
Elephants may be just as smart as dolphins and chimpanzees. And at least one of them might be more technologically proficient.