Believe it or not, I only discovered arKos last Friday, through this Slashdot announcement: a project (apparently) very similar to the percloud, which is my own proposal for a Free Software alternative to Facebook, Gmail &C.
Now the Snowden/NSA/PRISM affair has finally made evident, to an audience immensely larger than geek circles, that I (with many others of course) was right. Everybody, including non-geeks (no: starting from them) should have, as soon as possible, at least the possibility to