Which of the following is not True ?
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B. In 1990 the world had 98 mainline phones and 2 mobile phones per 1,000 people: in 2001 169 mainline and 153 mobiles per 1000
C. In 2001 the World information technology expenditures were about 1/20 of 1% of world gross investment
D. Mobile phones do not require the massive infrastructure investment that mainline telephone require
Found an error? Read our corrections policy and submit a sourced correction below. You can also share a useful explanation in your own words.