</s> ▁Customer ▁development ▁is ▁a ▁formal ▁method ology ▁for ▁building ▁start ups ▁and ▁new ▁corpor ate ▁vent ures . ▁It ▁is ▁one ▁of ▁the ▁three ▁parts ▁that ▁make ▁up ▁a ▁Le an ▁Start up ▁( Bus iness ▁Model ▁Design , ▁Customer ▁Development , ▁Ag ile ▁Engineering ). ▁▁ ▁The ▁process ▁assumes ▁that ▁early ▁vent ures ▁have ▁un test ed ▁hypoth eses ▁about ▁their ▁business ▁model ▁( who ▁are ▁the ▁customers , ▁what ▁features ▁they ▁want , ▁what ▁channel ▁to ▁use , ▁re venue ▁strategy / pr icing ▁tact ics , ▁how ▁to ▁get / keep / g row ▁customers , ▁strateg ic ▁activities ▁needed ▁to ▁deliver ▁the ▁product , ▁internal ▁resources ▁needed , ▁partners ▁needed ▁and ▁costs ). ▁Customer ▁development ▁starts ▁with ▁the ▁key ▁idea ▁that ▁there ▁are ▁no ▁facts ▁inside ▁your ▁building ▁so ▁get ▁outside ▁to ▁test ▁them . ▁The ▁hypoth eses ▁testing ▁em ul ates ▁the ▁scientific ▁method ▁– ▁pose ▁a ▁business ▁model ▁hypothesis , ▁design ▁an ▁experiment , ▁get ▁out ▁of ▁the ▁building ▁and ▁test ▁it . ▁Take ▁the ▁data ▁and ▁derive ▁some ▁insight ▁to ▁either ▁( 1 ) ▁Valid ate ▁the ▁hypothesis , ▁( 2 ) ▁In validate ▁the ▁Hyp oth esis , ▁or ▁( 3 ) ▁Mod ify ▁the ▁hypothesis . ▁ ▁Many ▁bur geon ing ▁startup ▁companies ▁dev ote ▁all ▁of ▁their ▁efforts ▁to ▁design ing ▁and ▁ref ining ▁their ▁product ▁and ▁very ▁little ▁time ▁“ getting ▁out ▁of ▁the ▁building .” ▁The ▁customer ▁development ▁model ▁encourag es ▁that ▁more ▁time ▁be ▁spent ▁in ▁the ▁field ▁ident