I started learning Italian from today. There's a story about this.Even if social networking systems would evolve and support so complicated faculties that we can control whom we make friendships with and show posts to, we can't avoid colla…

Hatena Blog gives us 1 invitation right per day. How long will it be all the people on the earth start using Hatena Blog when they always invite everyday those who haven't started Hatena Blog? #!/usr/bin/env perl use strict; use warnings; …