In the full context of the question and the answer, Zimmermann explains
   that because they didn't have a smartphone client for PGP, they were
   forced to hold the keys on their servers. Under these conditions, a
   court order could force him to silently wiretap users who otherwise
   believe their product is secure.
   I don't know enough to evaluate his decision not to use PGP on
   smartphones, and what the challenges there are. It's also possible he
   was incorrect or misleading in marketing Silent Circle's email service
   - the question starts with "You said in the past that Silent Circles
   products were secure because you dont hold the encryption keys...", and
   that is obviously not the case (for email).
   But I certainly wouldn't assume he's bought off. In the full scenario
   he describes, that Silent Circle was in, it was impossible for them to
   guarantee end-to-end encrypted email bodies in the long run. That's all
   he's saying.
   -- Eric
   On Sun, Aug 25, 2013 at 7:54 PM, StealthMonger
   <[1]StealthMonger@nym.mixmin.net> wrote:

     How ironic and sad it is that Phil Zimmermann, the author of PGP,
     has
     become so imbued with the enterprise culture that he's now so blind
     to
     the original peer-to-peer spirit of PGP that he would say things
     like
     There is no way to do encrypted e-mail where the content is
     protected. [1]
     This is simply false.
     If sender and receiver exchange keys out-of-band and nobody else
     knows
     the keys, the content can have cryptographically strong protection.
     Why would Zimmermann allow himself to be bought off? What kind of
     pressure is being brought to bear? Is this protracted world-class
     human
     engineering in action?
     [1]
     [2]http://www.forbes.com/sites/parmyolson/2013/08/09/e-mails-big-pri
     vacy-problem-qa-with-silent-circle-co-founder-phil-zimmermann/
     --
     -- StealthMonger <[3]StealthMonger@nym.mixmin.net>
     Long, random latency is part of the price of Internet anonymity.
     anonget: Is this anonymous browsing, or what?
     [4]http://groups.google.ws/group/alt.privacy.anon-server/msg/073f34a
     bb668df33?dmode=source&output=gplain
     stealthmail: Hide whether you're doing email, or when, or with whom.
     mailto:[5]stealthsuite@nym.mixmin.net?subject=send%20index.html
     Key:
     mailto:[6]stealthsuite@nym.mixmin.net?subject=send%20stealthmonger-k
     ey

   --
   [7]konklone.com | [8]@konklone

References

   1. mailto:StealthMonger@nym.mixmin.net
   2. http://www.forbes.com/sites/parmyolson/2013/08/09/e-mails-big-privacy-problem-qa-with-silent-circle-co-founder-phil-zimmermann/
   3. mailto:StealthMonger@nym.mixmin.net
   4. http://groups.google.ws/group/alt.privacy.anon-server/msg/073f34abb668df33?dmode=source&output=gplain
   5. mailto:stealthsuite@nym.mixmin.net
   6. mailto:stealthsuite@nym.mixmin.net
   7. http://konklone.com/
   8. https://twitter.com/konklone