"Hey @Snowden, for context, how long would it take the NSA to dedupe 650k emails?" Jarvis tweeted.
Snowden responded that it wouldn't take long for authorities to pore over the emails.
"Drop non-responsive To:/CC:/BCC:, hash both sets, then subtract those that match. Old laptops could do it in minutes-to-hours," he wrote.
>> See Snowden's tweet here
– The Cox Media Group National Content Desk contributed to this report.