When travelling a few years ago, I needed my laptop to check the weather, book train and flight tickets, check emails and much more.
Now I can do all this stuff with my smartphone and carrying a big laptop with power-supply seems a little out-dated. And there is one function that my smartphone can not provide at the moment: Backup all my pictures and videos from several cameras and sources!
But, you don’t need a big laptop for that. A small Wifi-Backup-HDD with SD-card slot is enough. There are devices like this out there, but I don’t trust them, because they don’t have a display, I don’t see what is happening and they cost twice as much as a simple 2.5 USB-HDD.