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100
This South Korean cell phone company is the largest maker of cell phones.
What is samsung.
100
42.1% of people primarily use their cell phones for this.
What is social media.
100
This South Korean city is home to the largest maker of cell phones.
What is Seoul.
100
The average mobile phone has this many times more bacteria than the average toilet handle, it is also the square root of 324.
What is 18 times.
100

Cost to buy the first cell phone?

What is 1963: $4,000

200
In this country more than 100 million cell phones were discarded in 2005.
What is the United States.
200
This percent of people primarily use their cell phones to text.
What is 40.5%.
200
Cupertino, California is home to this cell phone company.
What is Apple.
200
Cell phone radiation has been linked to cases of headaches, confusion, and this, causing many to have sleepless nights.
What is insomnia.
200
The first mobile phone call was made by this man in 1973.
Who is Martin Cooper.
300
This is the most common use for a cell phone.
What is to check the time.
300
This percent of people primarily use their cell phones to play games.
What is 11.9%.
300
This country is home to the most cell phones with 650 million sets.
What is China.
300
Cell phones emit radio frequency energy which can cause this disease.
What is cancer.
300
The first cell phone weighed this much.
What is 2 pounds.
400
This cell phone distributed sold 340,000 smartphones per day in 2012.
What is Apple.
400
This percent of people primarily use their cell phones for productivity (e-mail, calculator, etc.)
What is 5.6%.
400
This percent of adults live in house holds without home phones.
What is 38%.
400
In 2011 about this percent of car crashes involved cell phones.
What is 23%.
400
In this year the first mobile phones went on sale in the u.s. costing about $4000, the same year the challenger made its first flight.
What is 1983.
500
Scientists have developed a way of charging mobile phones with this waste product.
What is urine.
500
Most people use their cell phones between this and this long per week.
What is between 1 and 25 hours.
500
The average household spends this much on cell on cell phones per month.
What is $139.
500
Cell phones can cause lack of this.
What is hearing.
500
By what year where there a million cell phone users in the U.S.
What is 1990.