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How do vanishing stories on WhatsApp not infringe Snapchats patents?

Let's first pardon my impertinence to answer my own question in an area where my knowledge is only cursory. The patent application of Snapchat was what might be construed as overly broad and most, i …
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How do vanishing stories on WhatsApp not infringe Snapchats patents?

Looking at Snapchat's patent Ephemeral message galleries it would seem, at least superficially, that vanishing status updates on WhatsApp do exactly what this patent protects. I copy the relevant port …
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