Videos and documents of Computer Networks, LaTeX files, Gimp to edit the included images, a large map of Shanghai and Firefox with about 25 tabs (Shanghai Metro Map, apartments, …) were a bit too much for only one Gigabyte RAM. That problem had to be solved. And the owner of the computer store was right when he said he doesn’t sell memory without testing it. The first one we tried was incompatible with my ThinkPad.
But now it’s really, really fast… ok, back to work.