There are a couple of ads on South West Trains at the moment that are testament to the sheer power of the humble SMS.
'Birds need gardens,' reads one. 'Invite them to yours with a text.'
This bewildering appeal from the Royal Society for the Protection of Birds conjures up images of our feathered friends tapping their beaks on a Galaxy S4. When I want to get in touch with a sparrow or blackbird, I always tweet.
Sightsavers take the idea a stage further. 'This eye infection could blind him. Text the antibiotics that could save his sight.'
My phone is now seemingly linked to a 3D printer. We've certainly come a long way from wuu2 lolz.