Operator: Good day, ladies and gentlemen, and welcome to the Amazon.com Q1 2014 Financial Results Teleconference. At this time, all participants are in a listen-only mode. Following the presentation, we will conduct a question-and-answer session. In addition, today's conference is being recorded.
Now, for opening remarks, I will turn the conference over to the Senior Manager of Investor Relations, Mr. Dave Fildes. Please go ahead, Sir.
Dave Fildes - Senior Manager of IR: Hello, and welcome to our Q1 2014 financial results conference call. Joining us today is Tom Szkutak, our CFO. We will be available for questions after our prepared remarks. The following discussion and responses to your questions reflect management's views as of today, April 24, 2014 only and will include forward-looking statements.
Actual results may differ materially. Additional information about factors that could potentially impact our financial results is included in today's press release and our filings with the SEC, including our most recent Annual Report on Form 10-K. As you listen to today's conference call, we encourage you to have our press release in front of you which includes our financial results, as well as metrics and commentary on the quarter.
During this call, we will discuss certain non-GAAP financial measures. In our press release, slides accompanying this webcast and our filings with the SEC, each of which is posted on our IR website, you'll find additional disclosures regarding these non-GAAP measures including reconciliations of these measures with comparable GAAP measures.
Finally, unless otherwise stated, all comparisons in this call will be against our results for the comparable period of 2013.
Now, I'll turn the call over to Tom.
Thomas J. Szkutak - SVP and CFO: Thanks, Dave. I'll begin with comments on our first quarter financial results.
Trailing 12-month operating cash flow increased 26% to $5.35 billion. Trailing 12-month free cash flow increased to $1.49 billion. Trailing 12-month capital expenditures were $3.85 billion.
We continue to make additional investments in support of business growth consisting of investments in technology infrastructure, including Amazon Web Services and additional capacity to support our fulfillment operations.
Return on invested capital is 9%, up from 1%. ROIC is TTM free cash flow divided by average total assets minus current liabilities excluding the current portion of long-term debt over a five quarter ends. The combination of common stock and stock-based awards outstanding was 476 million shares compared with 471 million one year ago.
Worldwide revenue grew 23% to $19.74 billion or 23% excluding the $10 million favorable impact from year-over-year changes in foreign exchange. Media revenue increased to $5.47 billion, up 8% or 8% excluding foreign exchange.
EGM revenue increased to $13.02 billion, up 27% or 27% excluding foreign exchange. Worldwide EGM increased to 66% of worldwide sales, up from 64%. Worldwide paid unit growth was 23%. Active customer accounts exceeded 244 million. Worldwide active seller accounts were more than 2 million. Seller units represented 40% of paid units.