Silicon Valley 4x06 Promo/Preview "Customer Service" Silicon Valley Season 4 Episode 6 Promo Silicon Valley 4x06 Promo "Customer Service" (HD) Silicon Valley 4. sezon 6. bölüm fragmanı » Watch Silicon Valley Sundays at 10:30pm on HBO » Starring: T.J. Miller, Kumail Nanjiani, Martin Starr, Thomas Middleditch