Despite knowing only two people with iPhones (brother and flatmate) and nearly a dozen with other smartphones, it still amazes me how 95% of the phones I see on

Despite knowing only two people with iPhones (brother and flatmate) and nearly a dozen with other smartphones, it still amazes me how 95% of the phones I see on the Tube are iPhones. London is more affluent than the rest of the country, however.