<---Graph of plotted points + regression line. 
<----Equation of regression line Y=.440*1.100^x
Y-The number of people on facebook
.440-Initial value of x
1.100^x-The positive growth factor
x-The number of months
April 2010-76 months
Y=.440*1.100^x
Y=.440*1.100^76
Y=616 million
September 2010-82 months
Y=.440*1.100^x
Y=.440*1.100^82
Y=1091 million
6793.248608=.440*1.100^x
15439.20138=1.100^x
log(15439.20138)=xlog(1.100)
4.1.88624832=x(.0413926852)
4.188624832/.0413926852=x
101=x
101 months
101/12=8.4 years
2010-2004=6 years
8.4-6=2.4 years
2010+2.4= May of 2012
In May of 2012, everyone in the world will have a facebook.
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