Impossível um aparelho para tudo?

"It is becoming clear that we can't carry around just one gadget that will fulfill all of our digital needs. No single device is able to perform the many chores we want at our fingertips on the road, from slide shows to musical serenades to keeping our dates straight to Web surfing - at least not with the battery life or at the size we want."
Aqui o texto do IHT