시장점유율이 알려주지 않는 것
시장점유율이 알려주지 않는 것 YouGov and iPads: when ‘market share’ doesn’t tell the whole story Data about tablet ownership comparing the first quarter of 2013 with the year-ago period shows Apple’s ‘market share’ slipping by ten points. But what happened to the installed base? Charles Arthur guardian.co.uk, Monday 22 April … 더보기