As far as those hoping to “do no evil” in Mountain View are concerned, mobile differs from desktop in one key respect.

Before leaving primary school most of us have learnt that whenever anything appears too good to be true, it usually is.

Now that many of us measure our self worth by the number of friends we have on Facebook and followers on Twitter, it is perhaps no surprise to learn that social networking is to become the next mobile battleground.

Knowing what people want is no guarantee that you can provide it.

For proof, look no further than Windows Phone, iteration 6.5 of Windows Mobile, Microsoft’s operating system for mobile phones.