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That is an ancient photoshop! They are holding either the original iPhone or an iPhone 3G, the latter of which came out in 2008.

Thou shalt write two k's, no more, no less. Two shall be the number of k's thou will write, and the number of k's of the writing will be two. Four shalt thou not write, neither write thou one, excepting that thou then proceed to two. Three is right out. Once the number is two, being the second k is written, then lobbest thou thy message towards thy foe.

I'm not going to leave the obvious 1-character comment here because I'm just that good at self-control