Apple is widely expected to announce details of a software update for its iPhone at a press conference in California later.
Analysts are predicting the 3.0 update will add a range of new features to the device, including the much requested ability to copy & paste text.
Other new functions that have been requested by iPhone users include a better email browser, Flash and MMS messaging.
Apple announced details of today's press conference in an invitation sent to reporters last week.
The company said it was keen to offer an "advance preview of what we're building".
There is speculation that today's software update could pave the way for Apple to release its third generation iPhone in the summer.
The company has sold more than 13million iPhones since the first generation device was unveiled in June 2007.
Have you got an iPhone? Are you looking forward to today's announcement? What features would you like to see?
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