ðə fˈoːɹθ wˈɛbstɑːk ɹˈæn fɹʌm fˈɪftiːn nˈaɪntiːn fˈɛbɹuːˌɛɹi tˈuː θˈaʊzənd tˈɛn, fˈiːtʃɚɹɪŋ: dʒˈɛf ˈætwʊd, ʃˈɛli bˈɜːnstaɪn, dˈænjəl bˈɜːkə, bˈɛn sˈɜːvɛni, səbˈæstʃən tʃˈæn, mˈaɪk dˈeɪvɪdsən, ɹᵻdʒˈɪn də bˈæɾi, ˈɛstɚ dˈɜːbi, bɹˈaɪən flˈɪŋ, tˈɑːməs fˈʌtʃz, ˈædəm ɡɹˈiːnfiːld, lˈætʃlən hˈɑːɹdi, lˈiːsə hˈɛɹɑːd, bˈɛk hˈɑːdʒsən, ˈeɪmi hˈɔɪ, mˈɑːɹk pˈɛs, dʒˈɑːn ɹᵻsˈɪɡ, ˈɛɹɪk ɹˈaɪz, ɹˈaɪvz pˈoʊɪt, kˈɛvɪn ɹˈoʊz, tˈoʊbi sˈɛɡæɹən, kɹˈɪs ʃˈɪflɪt, skˈɑːt tˈɑːməs ænd dʒˈɛfɹi vˈiːn.
The fourth Webstock ran from 15–19 February 2010, featuring: Jeff Atwood, Shelley Bernstein, Daniel Burka, Ben Cerveny, Sebastian Chan, Mike Davidson, Regine DeBatty, Esther Derby, Brian Fling, Thomas Fuchs, Adam Greenfield, Lachlan Hardy, Lisa Herrod, Bek Hodgson, Amy Hoy, Mark Pesce, John Resig, Eric Ries, Rives (poet), Kevin Rose, Toby Segaran, Chris Shiflett, Scott Thomas and Jeffrey Veen.