Amazon to Congress: No, Silk won't invade people's privacy [Ars Technica]
Silk is being promoted as an extra fast browser because it uses Amazon's massive server farms to store certain sites and web history on the cloud so that they load much faster than a typical HTTP request. That means that Amazon could end up having direct access to a large amount of user information.
Amazon has responded to these concerns by stating that stored web addresses will not be customer specific and will only be stored for 30 days. Amazon also says that information that is not approved for cacheing will not be kept and that all SSL traffic will not pass through Amazon's cloud infrastructure, instead moving directly from the tablets to the servers being targeted.
Amazon claims that it does not intend to sell the information, but it did not deny that the information will be used internally for its product sales efforts. This response has not been enough to quell the concerns of Rep. Ed Markey (D-MA), a senior member of the House Energy and Commerce Committee, so we'll have to wait and see if and how Congress responds to Silk.