NSA collected US email records in bulk for more than two years under Obama - Guardian

The documents indicate that under the program, launched in 2001, a federal judge sitting on the secret surveillance panel called the Fisa court would approve a bulk collection order for internet metadata "every 90 days". A senior administration official confirmed the program, stating that it ended in 2011. - NSA collected US email records in bulk for more than two years under Obama
How the NSA is still harvesting your online data - The NSA files