I can understand their product idea. I think it is little weird. If I want to buy something I will go to amazon or just search on google. They are expecting us

I can understand their product idea. I think it is little weird. If I want to buy something I will go to amazon or just search on google. They are expecting us to follow one more channel of data source. The biggest challenge for their users will be to get traffic to their pages for which I think they will spam facebook's newsfeed. I heard facebook has done some changes to their graph api to block similar type of spammers. If they (referly) are still successfully able to spam FB then they will become a trending app like a video stream app which was sold for about $200-$250 million few months ago. It does not look like they will able to put a serious dent in the online commerce business. This will be their story. An idea similar to this was also started by designer of pinterest (I guess his name is sahil). The tag line was - if you can share something then you should be able to sell it. I am not sure what happened to that.