more than a million. less than a billion. 75% of BB users live in the US
31 million people own a blackberry
Most people use a blackberry for the added security. Blackberry has its own style of encryption. This helps the phone in the business field, but complicates some aspects.
No. there is no charge to use Blackberry Messenger. It is a complimentary app allowing you to comunicate with other people with a Blackberry.
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Some famous people that use the Blackberry include US President Barack Obama (a specially modified Blackberry), Chris Paul, Bradley Cooper, Tim Allen, J. Cole, Usain Bolt, the Kardashians (they use both Blackberry and iPhone), David Beckham, Leonardo DiCaprio.
can i use a blackberry 8320 battery in a blackberry 8800
no you don't need credit to send messages on blackberry messenger
it is safe but only accept people you know
blackberry storm
NO
Many of the websites offering free blackberry ringtones are scams. They simply want to obtain people's phone numbers for selling to telemarketers. So it is unclear how many "real" free blackberry ringtones exist.
a blackberry that you can text and ring people on