There’s been plenty of talk about the need for a ‘mobile first’ strategy, and this does make sense at the moment, as mobile use overtakes desktop for many sites.
However, the long-term thinking should be around the customer’s needs rather than the device.
At the moment, that does mean mobile in many cases but this may not be how your customers will access your site in years to come.
Who knows how customers will use your site in a few year’s time. Maybe even on watches…