Mark Zuckerburg

Mark Zuckerberg spoke before the showing of a documentary, "Documented." He has been a public advocate of immigration reform. (Monica Lam/KQED)

Mark Zuckerberg spoke before the showing of a documentary, “Documented.” He has been a public advocate of immigration reform. (Monica Lam/KQED)

Download Original: 640 × 360 Apple, Facebook Spend More on Lobbying; Twitter Joins In

Mark Zuckerberg spoke before the showing of a documentary, “Documented.” He has been a public advocate of immigration reform. (Monica Lam/KQED)