Couple of interesting bits off slashdot:
Nintendo of Europe is blocking Wii U content in the region that is rated PEGI 18+ between the hours of 3 a.m. and 11 p.m., according to a Eurogamer report. Under these stipulations, the four-hour window of 11 p.m. to 3 a.m. is the only time users can purchase games like ZombiU or Assassin's Creed III or even view trailers for such games.
Which as noted in comments is possibly more blocking the adults with jobs who need their sleep than the teenagers who are willing to stay up to the wee hours.
Over the last month, both game publishers and gaming communities alike were surprised to find their GameSpy multiplayer support suddenly disabled by GLU Mobile, who purchased GameSpy from IGN this August. Many games, including Neverwinter Nights 1 & 2, Microsoft Flight Simulator X, Swat 4, Sniper Elite, Hidden and Dangerous 2, Wings of War, Star Wars: Battlefront are no longer able to find (and in some cases even host) multiplayer games. While games like Neverwinter Nights are still able to directly connect to servers if players know the IP address...
... Which is a reminder that any game you have which relies on external multiplayer servers can disappear at any moment. Not that this stops most people from buying things.
They're generally old games, but it's still annoying to find that your game has just stopped working.