we don't have to wate a long time to get information.
cell phones make it easier to call for help during an emergency
I think it would be a lot different if we did not have cell phones today
they could use their cell phones to cheat on a test
Yes
In the sentence "In the United states cell phones are a very popular item" the only verb is "are".
Today happened.
Many of them have computers build into them. They will improve by becomming faster and by having more memory.
they got erased if you make more and more calls then your old call get erased.
Mobile Phones
Most to all cell phones today will have sms capabilities. Short message capabilities are almost a necessity now with about 70 percent of the population carrying cell phones.
Cell phones allowed people to be in constant contact.
the biggest effect is cell phones