These first generation of mobile phones used analog technology. They had a great deal more static and noise interference than we are accustomed to today. The first mobile phones during this era were confined to car phones and they were permanently installed in the floorboard of automobiles. Their size was large and very inconvenient.
The Second generation was faster and much quieter than its analog predecessor. They were smaller and the batteries were smaller too. This type of batteries made the phones more energy-efficient helped contribute to their smaller sizes and their popularity.
The third generation are able to transfer other types of data, including emails, information and instant messages.
The fourth generation include a combination of technologies that will make information transfer and internet capabilities faster and more affordable for cellular phones.
SECOND QUESTION
For text messaging, for access to the Internet, for sending and receiving photos and video, MP3 player, radio .
THIRD QUESTION
No. In Estonia the government found criminals collecting cash parking fees, so the government declared that only mobile payments via SMS were valid for parking and today all parking fees in Estonia are handled via mobile and the crime involved in the activity has vanished. And in India paying utility bills with mobile gains a 5% discount.
FOURTH QUESTION
I think that mobile phones don’t effect our privacy. I think that nowadays mobile phones are our privacy and if we have to live without them I think that a lot of people will not survive, because of the importance that they have in our lifes.