Turn your iPhone or iPad into the wireless extension of your Mac keyboard. Add dedicated numbers, arrows and other blocks to your Mac keyboard. Why buy additional hardware that you have to carry around with you if you can have it almost for free? 30 Promo Code available here: http://tokn.co/campaign/gax65skr
Such a simple idea but useful for those doing heavy spreadsheeting on a Macbook/laptop (that doesn't have a dedicated number pad). My mom was recently looking to buy one for that reason.
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