And to be clear, the first versions of the Playbook in fact will reach the Internet either via WiFi, or through Bluetooth tethering to your BlackBerry, though the company also plans to offer a broadband wireless version of the device via Sprint later in the year.

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Does it support modem tethering via Bluetooth?

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While much of the analysis can take place in the cloud data centres of the internet, the smartphone is the intermediary that is making the new wearable movement possible, as the devices connect to apps over Bluetooth wireless technology or other tethering methods.

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The thing can work entirely over WiFi and, it's worth pointing out, that if you're pairing to your phone over Bluetooth, you'll likely need to add wireless tethering to your data plan.

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