Apple's iPhone OS 4.0 firmware update was probably the most anticipated update to the smartphone platform and it's easy to see why.
Previously, the iPhone was not a smartphone is the true sense of the word. Without multitasking and full Exchange services, the iPhone was a hugely advanced feature phone, but OS 4.0 has changed this.
Previously, iPhone firmware upgrades were mostly about bug fixing, adding only small, consumer-focused improvements such as copy and paste, improved Spotlight search, email search and MMS messaging.
Now the new OS has added a whole load of business-centric features to the mix.
Here's our guide to getting the most out of iPhone OS 4.0.
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Clare is the founder of Blue Cactus Digital, a digital marketing company that helps ethical and sustainability-focused businesses grow their customer base.
Prior to becoming a marketer, Clare was a journalist, working at a range of mobile device-focused outlets including Know Your Mobile before moving into freelance life.
As a freelance writer, she drew on her expertise in mobility to write features and guides for ITPro, as well as regularly writing news stories on a wide range of topics.