This investment supported our efforts to improve existing products and build new products for users, developers, and advertisers. The update requires an entity to present the components of other comprehensive income either in a single continuous statement of comprehensive income or in two separate but consecutive statements. Our business is highly competitive. Digital publishing opens up exciting new possibilities like scrolling text, links within the brochure, embedded video, and widespread distribution. In March 2010, we entered into a credit facility with certain lenders. You should carefully evaluate all of the information in this prospectus.
The increase was primarily due to an increase in payroll and benefits expenses, resulting from a 46% increase in employee headcount to support global sales, business development, and customer service, and to a lesser extent, an increase in our user-, developer-, and advertiser-facing marketing. However, we have not made any large acquisitions to date, and, as a result, our ability to acquire and integrate larger or more significant companies, products, or technologies in a successful manner is unproven. For example, our annual revenue grew 154% from 2009 to 2010 and 88% from 2010 to 2011. If the cover page is appealing enough, the viewer or reader would be intrigued to delve into the subject further. However, defending these claims is costly and can impose a significant burden on management and employees, and we may receive unfavorable preliminary or interim rulings in the course of litigation, which could adversely affect the market price of our Class A common stock. For this reason, the title should be large and easy to read and the graphics should be professionally designed in a way that allows the reader to connect emotionally with the subject matter.
Advertisers can specify that we show their ads to a subset of our users based on demographic factors and specific interests that they have chosen to share with us on Facebook or by using the Like button around the web. Maintaining and enhancing our brand will depend largely on our ability to continue to provide useful, reliable, trustworthy, and innovative products, which we may not do successfully. We currently generate significant revenue as a result of our relationship with Zynga, and, if we are unable to successfully maintain this relationship, our financial results could be harmed. In addition, spammers attempt to use our products to send targeted and untargeted spam messages to users, which may embarrass or annoy users and make Facebook less user-friendly. We will not receive any proceeds from the sale of shares of Class A common stock by the selling stockholders.
The sale of equity or issuance of debt to finance any such acquisitions could result in dilution to our stockholders. Social context is information that highlights a users friends connections with a particular brand or business. In addition, we may increase marketing, sales, and other operating expenses in order to grow and expand our operations and to remain competitive. Bribery Act, and similar laws in other jurisdictions; and compliance with statutory equity requirements and management of tax consequences. People sharing more even if just with their close friends or families creates a more open culture and leads to a better understanding of the lives and perspectives of others. Our user growth and revenue growth rates will inevitably slow as we achieve higher market penetration rates, as our revenue increases to higher levels, and as we experience increased competition.
Our Class B common stock has ten votes per share, and our Class A common stock, which is the stock we are offering in our initial public offering, has one vote per share. The Alpine Vista brochure has an adventurous tone perfect for companies promoting mountain sports and expeditions. These days I think more and more people want to use services from companies that believe in something beyond simply maximizing profits. We believe that the shift to a more social web creates new opportunities for businesses to engage with interested customers. In addition, various non-practicing entities that own patents and other intellectual property rights often attempt to aggressively assert their rights in order to extract value from technology companies. For example describe your proposed sample. Summarize your interests and qualifications.
Another booklet-style brochure, the Passport balances modern sensibilities with just the right dose of playfulness, calling to mind a day spent exploring hidden wonders on New York City streets. Our terms of service require you to use your real name and we encourage you to be your true self online, enabling us and Platform developers to provide you with more personalized experiences. We offer advertisers a unique combination of reach, relevance, social context, and engagement to enhance the value of their ads. The discount rate reflects the risks inherent in the cash flows and the market rates of return available from alternative investments of similar type and quality as of the valuation date. The social web creates rewarding experiences that are centered on people, their connections, and their interests. Impressions are considered delivered when an ad appears in pages displayed to users. Our culture emphasizes rapid innovation and prioritizes user engagement over short-term financial results.
Instead of the information you might provide on a typical business report, you can use cover pages to list the chapters in your book or the titles of your stories. In addition, if we fail to successfully integrate any acquisitions, or the technologies associated with such acquisitions, into our company, the revenue and operating results of the combined company could be adversely affected. Plenty of space for images of the property as well as for your engaging descriptions makes this template a powerful tool in your real estate marketing arsenal. Any financial or other difficulties these providers face may adversely affect our business, and we exercise little control over these providers, which increases our vulnerability to problems with the services they provide. As these awards are generally subject to continued post-acquisition employment, we have accounted for them as post-acquisition share-based compensation expense. The increase was primarily due to an increase in expenses related to expanding our data center operations, such as depreciation and data center facility rent. You must give very detailed information in this chapter.
Why are you interested in this problem? We regularly review and may adjust our processes for calculating these metrics to improve their accuracy. As we continue to grow, we cannot guarantee we will continue to attract the personnel we need to maintain our competitive position. In April 2011, we began serving user traffic out of our first owned and built data center in Prineville, Oregon. As part of our business strategy, we have made and intend to make acquisitions to add specialized employees, complementary companies, products, or technologies. Note: Rest of world includes Africa, Latin America, and the Middle East. We recognize revenue net of amounts remitted to our Platform developers. Summary Risk Factors Our business is subject to numerous risks described in the section entitled Risk Factors and elsewhere in this prospectus.