[{"data":1,"prerenderedAt":257},["ShallowReactive",2],{"project-2297237":3},{"id":4,"name":5,"line":6,"line_source":7,"title":8,"url":9,"domain":10,"maker":11,"posted_at":12,"year":13,"points":14,"comments":15,"rank_in_year":16,"shown_in_year":17,"top":18,"tier":19,"category":20,"subcategory":21,"format":22,"keywords":23,"reception":27,"sentiment":28,"stance_mix":29,"scored_comments":34,"aspects":35,"strip":40,"post_text":42,"what":43,"said":93,"maker_in_thread":160,"shape":167,"grid":170,"attempts":220,"same_week":221,"maker_shows":218,"maker_hidden":249,"reader_version":250,"card":251},"2297237","My \"semester\" project","cab sharing made easy","title","Show HN: My \"semester\" project: cab sharing made easy","http:\u002F\u002Fwww.gobicab.com","gobicab.com","alooPotato",1299509212,2011,38,24,320,1097,30,"shown","consumer_social","ride sharing","mobile_app",[24,21,25,26],"cab sharing","iphone app","split taxi fare","curious",0.215,{"positive":30,"neutral":31,"mixed":32,"critical":33},5,11,0,1,17,{"idea":36,"design":38,"pricing":39},{"positive":37,"critical":32},2,{"positive":37,"critical":33},{"positive":33,"critical":32},[32,41,32,41,41,41,41,32,41,30,41,41,30,30,32,33,30,32,30,41,32,41,32,41],3,null,{"problem":44,"audience":56,"pricing":63,"motivation":69,"time_to_build":42,"stack":76,"openness":90,"stage":91,"team_size":92},{"value":45,"source":46,"evidence":47},"Cab rides are expensive; people leaving by cab at the same time and place could share","commenter",[48,52],{"id":49,"by":50,"text":51},"2299858","dotme","This is an awesome Idea. Always looking for something like this. Cab rentals are too high. You can talk to Cab Service Providers in different cities. And don't worry about…",{"id":53,"by":54,"text":55},"2298614","wittjeff","Speaking of use at conferences, I have wished for something like this while standing in line (with hundreds of other people) waiting for a cab at Las Vegas airport. Too…",{"value":57,"source":58,"evidence":59},"Travelers and commuters taking cabs, such as airport and campus users","maker",[60],{"id":61,"by":11,"text":62},"2298032","Yes this is one class of mobilization of a network effect business - exploit irregular network topologies. In our case that means targeting areas with high trip density (defined…",{"value":64,"source":58,"evidence":65},"Free app; monetization ideas discussed but none chosen",[66],{"id":67,"by":11,"text":68},"2297737","I mainly built it because I wanted to exist so monetization wasn't a top priority for me. That being said, I've thought of a few possibilities: - clearly can't charge for…",{"value":70,"source":58,"evidence":71},"Built as a class project at HBS and to try network-effect strategies; maker wanted to exist",[72,75],{"id":73,"by":11,"text":74},"2297248","HN - this was a project I built for a class at HBS (Online Economies). The class covered strategies for solving the network effects problem of a lot of online businesses. I…",{"id":67,"by":11,"text":68},[77,86],{"value":78,"source":58,"evidence":79},"iOS (Objective-C)",[80,83],{"id":81,"by":11,"text":82},"2297475","Yes, my undergrad degree was in computer science\u002Fsoftware engineering - so fairly easy for me to pick up iOS programming",{"id":84,"by":11,"text":85},"2298066","I actually think I got fairly lucky on the designer front. I think I it was successful because: 1) I already had the general UI layout I wanted 2) I was very specific on what I…",{"value":87,"source":58,"evidence":88},"Server code written separately from client",[89],{"id":84,"by":11,"text":85},"unknown","launched","solo",{"praise":94,"objections":113,"requests":131,"questions":148,"alternatives":159},[95,105],{"value":96,"source":46,"evidence":97},"Clean, polished UI and graphics",[98,102],{"id":99,"by":100,"text":101},"2297954","ajju","It is excellent work, both the UI and the graphics. If you don't mind recommending the designer, I'd love to know who did it. With regards to getting more users, you should at…",{"id":103,"by":100,"text":104},"2297858","Looks great. Did you also do the design work?",{"value":106,"source":46,"evidence":107},"Useful idea for airport and conference cab lines",[108,109],{"id":53,"by":54,"text":55},{"id":110,"by":111,"text":112},"2297378","alexsherrick","i think its a great idea... any ideas on monetizing?",[114,125],{"value":115,"source":46,"evidence":116},"Chicken-and-egg problem: needs users in the same place and time",[117,121],{"id":118,"by":119,"text":120},"2297449","shasta","The chicken and egg problem would seem to be the obvious problem with something like this. Can you broadly explain what you have in mind? I assume you're only pairing people with…",{"id":122,"by":123,"text":124},"2298189","cme","Solving the chicken an egg problem could be difficult, you may try partnering up with car services or cab companies You could look into car services instead of cabs..some times…",{"value":126,"source":46,"evidence":127},"Black text on dark grey hurts aesthetics and accessibility",[128],{"id":129,"by":54,"text":130},"2298671","Black-on-dark-grey is a bad combination for aesthetics and accessibility. Speaking of accessibility, blind people are big users of cabs. So that might be another market to focus…",[132,140],{"value":133,"source":46,"evidence":134},"Explain how the network effect problem is solved",[135,139],{"id":136,"by":137,"text":138},"2297468","cherif","Looks great and it was nice to see Kimball's testimonial on the homepage (I got to Wharton and met him through his cousin who is a close friend). Would love to see learn more…",{"id":118,"by":119,"text":120},{"value":141,"source":46,"evidence":142},"Show who designed the graphics and how",[143,144],{"id":99,"by":100,"text":101},{"id":145,"by":146,"text":147},"2298002","oostevo","I'll second the call to hear who the designer is, if you don't mind sharing. Actually... could you outline your process of finding the designer? What was the workflow like? Did…",[149,155],{"value":150,"source":46,"evidence":151},"How are rideshare partners identified when several people queue together?",[152],{"id":153,"by":54,"text":154},"2298659","I'll dig deeper into your UI in a minute, but have a usage scenario for you to consider. Suppose this thing catches on in the Las Vegas tourists context I mentioned earlier.…",{"value":156,"source":46,"evidence":157},"Can people without smartphones join a ride?",[158],{"id":153,"by":54,"text":154},[],{"comments":161,"answered":162,"key":163},7,4,[164,165,166],{"id":73,"text":74},{"id":81,"text":82},{"id":61,"text":62},{"commenters":168,"max_depth":162,"maker_replies":161,"first_comment_mins":41,"lifespan_hours":169},13,14,[171,173,177,178,180,183,186,188,189,191,193,195,196,198,199,202,204,207,210,211,212,213,215,216],[73,32,32,172,11,33],"maker\u002Fneutral\u002Fidea",[174,32,41,175,176,32],"2297416","maker\u002Fneutral\u002Fnone","jwb119",[81,32,32,175,11,33],[118,32,41,179,119,32],"project\u002Fneutral\u002Fidea",[181,32,41,179,182,32],"2297726","DanI-S",[184,32,41,179,185,32],"2297760","stcredzero",[187,32,41,179,185,32],"2297778",[61,32,32,172,11,33],[190,32,41,179,185,32],"2298062",[53,32,30,192,54,32],"project\u002Fpositive\u002Fidea",[153,33,41,194,54,32],"project\u002Fneutral\u002Fdesign",[122,37,41,179,123,32],[49,41,30,197,50,32],"project\u002Fpositive\u002Fpricing",[136,162,30,192,137,32],[200,162,32,201,11,33],"2298213","maker\u002Fneutral\u002Fpricing",[129,30,33,203,54,32],"project\u002Fcritical\u002Fdesign",[103,205,30,206,100,32],6,"project\u002Fpositive\u002Fdesign",[208,205,32,209,11,33],"2297913","maker\u002Fneutral\u002Fdesign",[99,205,30,206,100,32],[145,205,41,209,146,32],[84,205,32,209,11,33],[110,161,41,214,111,32],"project\u002Fneutral\u002Fpricing",[67,161,32,214,11,33],[217,218,41,194,219,32],"2298312",8,"k3dz",[],[222,226,231,236,241,245],{"id":223,"name":224,"points":225,"category":20},"2285594","FastCustomer",216,{"id":227,"name":228,"points":229,"category":230},"2303395","nitrogen.posterous.com",98,"infrastructure",{"id":232,"name":233,"points":234,"category":235},"2289635","Phoneify",95,"web_saas",{"id":237,"name":238,"points":239,"category":240},"2294886","My weekend project",73,"productivity",{"id":242,"name":243,"points":244,"category":20},"2301871","Hackerstream",68,{"id":246,"name":247,"points":248,"category":235},"2288175","Review My Startup",63,false,"v2",{"id":252,"name":5,"line":6,"ai":249,"cat":20,"year":13,"points":14,"comments":15,"rec":27,"s":253,"top":18,"kw":254,"maker":11,"domain":10,"tier":19,"attempts":32,"strip":255,"url":9,"mix":256,"praise":96,"objection":115,"sub":21},2297237,0.22,[24,21,25,26],"030333303533550150530303",[30,31,32,33],1794036486855]