This week, friends have been generous with their links. As Kevin Spacey said in a movie I never saw, pay it forward.

• First, a pretty great Mercedes site from the UK.

• Looking for a place in Brooklyn?

• Play composer in this simple-yet-addicting game.

• Some harmless VW fun.

• I'm a little behind on this, and one of you probably posted it already. I wish HelpWinThisBet.com would give its four million visitors some details.