s , ▁Tags , ▁and ▁Post - h oc ▁Met adata ▁– ▁a ▁presentation ▁( MP 3 ) ▁from ▁the ▁O ' Re illy ▁Emer ging ▁Technology ▁Conference ▁held ▁in ▁San ▁Diego , ▁California , ▁March ▁ 1 4 – 1 7 , ▁ 2 0 0 5 . ▁ ▁Category : 1 9 6 4 ▁birth s ▁Category : American ▁technology ▁writers ▁Category : Internet ▁culture ▁Category : L iving ▁people ▁Category : New ▁York ▁University ▁fac ulty ▁Category : W rit ers ▁from ▁Columbia , ▁Missouri ▁Category : Te chn ology ▁evangel ists ▁Category : Wikimedia ▁Foundation ▁Ad vis ory ▁Board ▁members ▁Category : Y ale ▁University ▁al umn i <0x0A> </s> ▁But ter field ▁C any on ▁may ▁refer ▁to : ▁▁ ▁But ter field ▁C any on , ▁a ▁can y on ▁in ▁the ▁Angeles ▁National ▁Forest ▁in ▁Los ▁Angeles ▁County , ▁California , ▁United ▁States , ▁near ▁the ▁San ▁Gabriel ▁Res er voir ▁ ▁But ter field ▁C any on , ▁a ▁can y on ▁in ▁the ▁Un organ ized ▁Bor ough , ▁Al aska , ▁United ▁States , ▁north ▁of ▁the ▁city ▁of ▁N ome ▁ ▁But ter field ▁C any on , ▁a ▁can y on ▁in ▁the ▁southern ▁Co ke ▁County , ▁Texas , ▁United ▁States , ▁north ▁of ▁the ▁city ▁of ▁San ▁Ang elo ▁ ▁But ter field ▁C any on ▁( U t ah ), ▁a ▁can y on ▁in ▁the ▁O qu ir rh ▁Mountains ▁in ▁south west ▁Salt ▁Lake ▁County ,