MiiVerse months later; has Nintendo created a killer social network?

The Wii U is starting to close in on its first year anniversary on the market, and sales figures aside, it has earned itself a dedicated following courtesy of games like ZombiU and Pikmin 3. One of the biggest features of the console was always going to be MiiVerse; a social network that Nintendo built from ground up exclusively for people with Wii U consoles.