一応年2000ドルコストの根拠っぽい英文を見つけた。(情報としては古め)
多分この数字から見るに、動画月額サービスみたいな料金は入っていなくて
単純にスマホの維持費が年1700ドルオーバーになるって試算なんやろう。
https://www.investopedia.com/financial-edge/0512/the-real-cost-of-owning-a-smartphone.aspx
According to the Wall Street Journal, the average data, texting and minute plan for a smartphone costs about $2,100 for a
two-year contract. However, that's not the real cost. The average tax on smartphones is about 15% and some can be as high as
20%. On top of the taxes, you need to factor in costs like overage charges and other fees. When all of these are added together,
the average cost for owning a smartphone is $3,400 over two years.
There are a lot of comparisons out there between iPhone and Android phones, so if you're trying to decide which one is cheaper
overall, keep in mind that according to appleinsider.com, paid Android apps cost an average of 2.5 times more than paid iPhone
apps. Techcrunch.com reports that 57% of Android apps are free, versus only 28% of iPhone apps. This does not mean that if you
go with an Android phone your bill will definitely be more expensive, but you may want to keep it in mind when you decide which
日本も二年間契約で$2,100位のコストはまあ変わらないから、これに8%-10%足した年13万円位がこの文章で言う所のリアルコストに相当するだろうな。