Qualche considerazione sulle traiettorie del mercato di telefonini e PC.
A spanne ci sono in circolazione 1,5 miliardi di tablet e smartphone di cui 1 miliardo Android e 500 milioni iOS.
"There are between 3.5bn and 4bn people with mobile phones on earth (there are far more connections but many people with multiple connections)...."
Apple sold 51m iPhones last quarter - total PC sales in 1995 were 59.5m.
via http://ben-evans.com/benedictevans/2014/1/28/ecosystem-maths
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