INVESTORS

Draper Fisher Jurvetson is the pre-eminent venture capital firm with global presence through a network of affiliated funds, with offices in more than 30 cities around the world and over $4 billion in capital commitments. DFJ's mission is to identify, provide capital for, and serve extraordinary entrepreneurs anywhere who want to change the world. Over the past twenty years, DFJ has been proud to back approximately 300 companies across a myriad of sectors including such industry changing catalysts as Hotmail (acquired by MSFT), Baidu (BIDU), Skype (acquired by EBAY), United Online (UNTD), Overture (acquired by YHOO), Interwoven (IWOV), 411 (acquired by YHOO), Parametric (PMTC), and Digidesign (acquired by AVID). For more information, visit dfj.com.

InterWest has partnered with exceptional entrepreneurs for over 30 years to build winning technology and life sciences companies. With more than 200 years of combined operating and investing experience, InterWest's team has raised $2.8B, completed more than 70 IPOs, and participated in nearly 60 upside acquisitions. The firm's past successful investments in information technology include: CIENA (CIEN), Copper Mountain Networks (CMTN), Crystal Semiconductor (acquired by Cirrus Logic, CRUS), Cyrix (CYRX; acquired by National Semiconductor (NSM), Lightera (acquired by CIENA), PlaceWare (acquired by Microsoft, MSFT), SiTera (acquired by Vitesse, VTSS), Silicon Graphics (SGI), Stratacom (STRM; acquired by Cisco, CSCO) and Xilinx (XLNX). For more information on InterWest, please visit interwest.com.

Union Square Ventures is an early stage venture capital firm based in New York City that seeks to invest in young companies using information technology to innovate in the Media, Marketing, Financial Services, Telecommunications and Healthcare industries. Over the past 17 years, Union Square Ventures has invested and helped develop over 40 companies. Recent investments include Twitter, Zynga, Foursquare, MeetUp and Disqus. For more information, please visit unionsquareventures.com.

Menlo Ventures provides long-term capital and management support to early-stage and emerging-growth companies. Menlo is one of Silicon Valley's oldest venture capital partnerships, and has organized and managed ten venture funds since their inception in 1976. With over $4 billion under management since inception, and a team with over two hundred years of collective experience in technology, marketing, sales and general management, they have the resources to support the most ambitious of projects. For more information, visit menloventures.com.

First Round Capital is a seed-stage venture capital firm dedicated to helping talented entrepreneurs build remarkable companies. First Round Capital typically funds pre-revenue companies - and often provides a company's first outside capital. As former entrepreneurs, the partners at First Round understand the challenges of launching a new enterprise, and offer insight and expertise that are as valuable as its venture capital. The firm has invested in over 80 early stage companies, and additional information on First Round Capital is available at firstround.com.

Draper Richards L.P. is a leading venture capital firm investing in seed and early-stage technology companies. Since 1996, the firm has funded entrepreneurs with the energy, vision, experience, and desire to build great companies. Draper Richards' experienced management team, headed by veteran venture capitalist William H. Draper, III, is dedicated to helping entrepreneurs achieve their maximum potential through contacts, advice, and support. Draper Richards L.P. is located in San Francisco, California. For more information on Draper Richards L.P., visit draperrichards.com.