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We can reduce the likelihood of certain types of content the community doesn’t want to see. We can reduce that and lower it in the news feed so there is less of an incentive for the financially motivated spammer. We think this is the right way to strike a balance between promoting free expression and promoting a safe and authentic community, so that’s a tough nut to crack, we’re never going to be 100 percent perfect, so it’s really important that in addition to the ranking work we invest in building out things out in the user interface.