Without a shadow of doubt, my Iphone. I guess it could be any smart phone.
I used to have a Blackberry and resisted changing to an Iphone as I originally thought that they were a fashion item and didn't see the value in them. Now I use my phone non-stop. So much so, I have an Ipad mini too, just so I don't get eye-strain from looking at the smaller screen.
The normal day to day uses are:
- Making 'phone calls
- Texting (definitely do this more than speaking on the 'phone)
- Using Facebook
- Using Twitter-has saved me about £10 a month in magazine costs
- Setting alarms
- Diarising and arranging meetings
- Checking my bank balance
- Surfing the internet
- Watching You Tube clips
You might think this doesn't make it very special. However the other features that really add to my quality of life are:
The camera - Having a great resolution camera on me 24/7 has meant that I can capture moments that otherwise would have just been an anecdote with no imagery. I've captured sunsets, sunrises, my cat pulling silly poses, people in awful outfits and even a butterfly hatching out of a chrysalis! Often, my friends and I say 'picture or it didn't happen', so the camera-phone is now a part of everyday life and I'm sure most of us take it for granted. I took this one on a spring day out in Norfolk, so it's nice to have this as a permanent reminder of a lovely day.
Google Maps - I definitely need a portable map. My sense of direction is terrible, and on a recent trip to New York, all I did was to get my phone out, input where I needed to go, and off I went. You can even look on street view so you know what the building looks like that you're going to. Imagine the time this has saved me! Other apps such as the London Underground Tube map are awesome for the same reason. I always used to get on one going the wrong way! Google maps also has a great turn-by-turn sat nav and the ability to locate friends, which I've found useful when friends have visited my city and can't describe where they are. I find them on Latitude and get directions to them!
I find the Iphone very easy to use, although a little bit too easy to damage. I haven't tried any other smart phones to give a fair comparison. My cell phone is literally my personal organiser. I would be lost without it!