1. The United States government keeps a huge data base of phone users and their activities, such as the identities of who you are talking too and the times calls are placed. The American government has given no reason why such information would be relevant to it’s intelligence efforts.
2. Julian Assange has accused large websites of having created an interface to make accessing personal information easier for government agencies without the need for warrants.
3. The United States is not allowed to legally spy on it’s own citizens without reason but it is happy to wiretap the electronic communications of foreigners.
4. Banks have a detailed account of all your financial activity.