"We want to give people more choices with Galaxy S4 mini, similar look and feel of Galaxy S4 for more compact and practical uses, " J.

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The blue-wheeled Complex is a lengthy board meant to replicate the feel of snowboarding, while the yellow-wheeled Spliff is more practical and compact--ideal for someone like Depp.

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On a more practical level, the unit is compact, USB-powered, and has a built-in audio-interface (no extra sound card required for headphone monitoring).

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To make this technology practical, automakers had to wait for ultra-powerful but compact electronics and, critically, useful batteries.

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