... 144–162allowing for multiple, 157 confirming, 156 – 157 conversion funnel for, 170 designing form for, 154 – 156 facilitating, 148–149 how it works, 146–147 implicit vs. explicit, 1 45 146 placing ... also Del.icio.us social circles, 143 social conduits, 143 social cues, 80 social design, 5 6 social environment, 8 social features, Amazon, 36–39 social funnels, 169–171 social influence ... lifecycle, 153 , 164, 177 funnel diagrams, 164, 1 65 166, 169, 170GGame Neverending, 54 gaming the system, 98 GigaOm blog, 152 Gladwell, Malcolm, 143ptg170 DESIGNING FOR THE SOCIAL WEBOf...