Virality of ALS Ice Bucket Challenge
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Inputs
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Custs(0)1Initial customer set at time=0
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i3Number of invites sent out be each new customer
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conv%50%Conversion rate of invites into customers
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ct2The time it takes to complete a full Viral Cycle in days
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Computed Values
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K1.50The Viral Coefficient (invites * conversion rate)
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Model for Customer Growth over Time (t)Custs(t) = Custs(0) * (K ^ (t/ct +1) - 1) / (K-1)
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Time - t0102030405060708090100
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Custs(t)1211711,3129,97475,752575,2514,368,32733,171,995251,899,8501,912,864,499
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Ice Bucket Virality
Play-sheet