Cell phone users do you know these 5 things about mobile phones?

Zee Media Bureau

New Delhi: Cell phones are increasingly becoming an indispensable part of our lives. If you forget your phone at home even for a day, it might really throw your life out of gear.

Here are five interesting things about mobile phones that will certainly interest you.

1. In 1983, the first mobile phones went on sale in the US at almost $4,000 each which translates close to into Rs 2.5 lakh today.

2. Former Motorola inventor Martin Cooper made the first handheld mobile phone call on a prototype DynaTAC model on April 4, 1973.

3. Since its launch in late 2003, over 250 million of Nokia 1100 handsets have been sold, making it the world's best selling phone handset and the best selling consumer electronics device in the world.

4. Funny it might sound, but every year 100,000 mobile phones are dropped down the toilet in Britain.

5. The dependence on mobile phones have become so intense that researchers have even developed a questionnaire that can determine if you suffer from nomophobia or a fear of being without your mobile phone.