LONDON (AP) — Phone call logs, credit card records, emails, Skype chats, Facebook message, and more: The precise nature of the NSA's sweeping surveillance apparatus has yet to be confirmed.But given the revelations spilling out into the media recently, there hardly seems a single aspect of daily life that isn't somehow subject to spying or surveillance by someone.Experts say there are steps anyone can take to improve privacy, but they only go so far.Using anonymity services and encryption \simply make it harder