51Degrees.mobi strongly believes that one size doesn’t fit all. It’s the reason we created our own mobile device description repository, which enables web designers to create a site that’ll adapt automatically for visitors using mobile phones.

However, it’s important to realise that a choice of just two sizes can also be less than ideal. With consumers now using portable internet-connected devices that range from feature phones to iPads, simply deciding whether or not a handset is ‘mobile’ isn’t always enough.