I think it goes beyond that. As an anecdote, I'm getting married in April and my fiance is using pinterest to collect and organize all our ideas for the weddin

I think it goes beyond that. As an anecdote, I'm getting married in April and my fiance is using pinterest to collect and organize all our ideas for the wedding. We'll end up buying probably 10-20% of what she has pinned, but over the next 6 months. By internet click-through funnel micro-measurements, when we buy it will look like a direct purchase rather than attributed to the channels we discovered the product on. Unfortunately, being able to determine the source and measure return on it is roughly the same as TV advertising and I don't know of any company that provides that sort of analysis for internet campaigns.