In the United States was discovered the connection between the possession of a smartphone or tablet Apple and high income. Researchers at the National Bureau of economic research, USA and University of Chicago analyzed the differences between American social groups and published a report.
The researchers came to the conclusion that the iPhone was the most obvious indicator of wealth in America, other brands do not give such unambiguous results.
iPhone or iPad likely to report high earnings. To this category belonged for 69.1% of iPhone users and 66.9% of iPad owners. Mobile Android only at 59.5% of cases is an indicator of wealth and a higher level of income compared with other representatives of the same type of households, that is, among single, married, with children, and so on.
Note that the study took into account data for the year 2016. That is, it does not account for X iPhone, released in November 2017. Interestingly, in 1992, an indicator of wealth was a dishwasher, and in 2004 a new car.