ðə θˈɜːd wˈɛbstɑːk ɹˈæn fɹʌm sˈɪkstiːn twˈɛnti fˈɛbɹuːˌɛɹi tˈuː θˈaʊzənd nˈaɪn, fˈiːtʃɚɹɪŋ: dʒˈeɪn mə ɡˈɑːnɪɡəl, nˈæt tˈoːɹkɪŋtən, dˈɛɹɪk pˈaʊeɪzək, mˈɛɡ pˈɪkɚd ɡˈɑːɹdiən ʌnlˈɪmɪɾᵻd, mˈæt dʒˈoʊnz ænd mˈæt bˈɪdʌlf ʌv dˈɑːplɚ, fɪˈoʊnɚ ɹˈoʊmɪˌoʊ, dˈeɪvɪd ɹᵻkˈoːɹdən kˈiː kəntɹˈɪbjuːɾɚ tʊ ˈoʊpən aɪdˈiː ænd ðˈɛn ˈoʊpən plˈætfɔːɹmz tˈɛk lˈiːd fɔːɹ sˈɪks ɐpˈɑːɹt, kˈæmɚɹən ˈædəmz, pˈæmələ fˈɑːks, ˈeɪdɹiən hˈɑːləvəɾi, hˈɛðɚ tʃˈæmp flˈɪkɚ, mˈaɪkəl lˈɑːp.
The third Webstock ran from 16–20 February 2009, featuring: Jane McGonigal, Nat Torkington, Derek Powazek, Meg Pickard (Guardian Unlimited, Matt Jones and Matt Biddulph of Dopplr, Fiona Romeo, David Recordon (key contributor to OpenID and then Open Platforms Tech Lead for Six Apart), Cameron Adams, Pamela Fox, Adrian Holovaty, Heather Champ (Flickr), Michael Lopp.