[{"data":1,"prerenderedAt":150},["ShallowReactive",2],{"project-2558358":3},{"id":4,"name":5,"line":6,"line_source":7,"title":8,"url":9,"domain":9,"maker":10,"posted_at":11,"year":12,"points":13,"comments":14,"rank_in_year":15,"shown_in_year":16,"top":17,"tier":18,"category":19,"subcategory":20,"format":21,"keywords":22,"reception":28,"sentiment":9,"stance_mix":29,"scored_comments":32,"aspects":33,"strip":35,"post_text":37,"what":38,"said":60,"maker_in_thread":91,"shape":94,"grid":97,"attempts":111,"same_week":112,"maker_shows":141,"maker_hidden":142,"reader_version":143,"card":144},"2558358","Absurdly Cool","Freebie finding site using interesting algorithm","title","Show HN: Freebie finding site using interesting algorithm",null,"tectonic",1305673864,2011,15,5,616,1097,57,"shown","web_saas","deal aggregator","web_app",[23,24,25,26,27],"free stuff","freebies","scam filter","affiliate links","deal finder","quiet",{"positive":30,"neutral":30,"mixed":31,"critical":31},1,0,2,{"idea":34},{"positive":30,"critical":31},[14,36,31,31,31],3,"A little while ago I built an automated website that finds free stuff while filtering out scams.  It works in an interesting way.  Most freebie sites on the web contain a mix of real, useful free stuff and scammy affiliate and pyramid schemes.  I realized that affiliate links are always unique (because they need to contain an affiliate code) while real freebies have URLs that co-occur across multiple sites at roughly the same time.  I wrote a crawler in Perl and MySQL that looks for repeating, off-domain URLs that temporally cluster on multiple free stuff sites.  I was surprised and pleased to",{"problem":39,"audience":9,"pricing":9,"motivation":45,"time_to_build":9,"stack":49,"openness":58,"stage":59,"team_size":58},{"value":40,"source":41,"evidence":42},"Freebie sites mix real free offers with affiliate and pyramid scams","maker",[43],{"id":44},"post",{"value":46,"source":41,"evidence":47},"Build a freebie site that filters out scams",[48],{"id":44},[50,54],{"value":51,"source":41,"evidence":52},"Perl",[53],{"id":44},{"value":55,"source":41,"evidence":56},"MySQL",[57],{"id":44},"unknown","launched",{"praise":61,"objections":77,"requests":78,"questions":83,"alternatives":90},[62,70],{"value":63,"source":64,"evidence":65},"Interesting approach to filtering scams","commenter",[66],{"id":67,"by":68,"text":69},"2558501","ideadude","Never new how this actually worked. Thanks for sharing. I hope others have some good suggestions.",{"value":71,"source":64,"evidence":72},"Site reported to work well",[73],{"id":74,"by":75,"text":76},"2560212","suking","yes",[],[79],{"value":80,"source":41,"evidence":81},"Design suggestions for the site",[82],{"id":44},[84],{"value":85,"source":41,"evidence":86},"Does the site work pretty well?",[87],{"id":88,"by":10,"text":89},"2558614","Does it work pretty well?",[],{"comments":30,"answered":31,"key":92},[93],{"id":88,"text":89},{"commenters":95,"max_depth":36,"maker_replies":30,"first_comment_mins":96,"lifespan_hours":13},4,21,[98,100,104,107,109],[67,31,14,99,68,31],"project\u002Fpositive\u002Fidea",[101,30,36,102,103,31],"2558428","project\u002Fneutral\u002Fnone","todd3834",[105,32,31,106,75,31],"2558605","other\u002Fneutral\u002Fdesign",[88,32,31,108,10,30],"maker\u002Fneutral\u002Fnone",[74,32,31,110,75,31],"other\u002Fneutral\u002Fnone",[],[113,117,122,126,131,136],{"id":114,"name":115,"points":116,"category":19},"2540909","CodeYourIdea",195,{"id":118,"name":119,"points":120,"category":121},"2553181","Fitocracy",102,"consumer_social",{"id":123,"name":124,"points":125,"category":121},"2556118","Spotify on the Web",68,{"id":127,"name":128,"points":129,"category":130},"2558956","Chatbox",52,"productivity",{"id":132,"name":133,"points":134,"category":135},"2560151","chatteranalytics.com",49,"data",{"id":137,"name":138,"points":139,"category":140},"2542604","Cloak",41,"security_privacy",11,false,"v2",{"id":145,"name":5,"line":6,"ai":142,"cat":19,"year":12,"points":13,"comments":14,"rec":28,"s":9,"top":17,"kw":146,"maker":10,"domain":147,"tier":18,"attempts":31,"strip":148,"url":-1,"mix":149,"praise":63,"objection":-1,"sub":20},2558358,[23,24,25,26,27],"","53000",[30,30,31,31],1794036488326]