Question: Where is the online company founded in 1999 by Nick Swinmurn based?

Context paragraphs:
Burlingame Dragons FC: Burlingame Dragons FC is an American soccer club based in Burlingame, California.  Founded in 2014, the team plays in the Premier Development League (PDL).  The team is owned by Nick Swinmurn, founder of Zappos.com and a minority investor in the NBA’s Golden State Warriors, and David Ebersman, former CFO of Facebook and Genentech.

Kozmo.com: Kozmo.com was a venture-capital-funded online company that promised free one-hour delivery of "videos, games, dvds, music, mags, books, food, basics & more" and Starbucks coffee in several major cities in the United States.  It was founded by young investment bankers Joseph Park and Yong Kang in March 1998 in New York City, and was out of business by April 2001.  The company is often referred to as an example of the dot-com bubble.  In September 2013, the website kozmo.com announced that they would relaunch soon, but as of 2017 the site was inaccessible.

Envelopes.com: Envelopes.com is an American envelope and stationery supply company, founded in 1971 as Action Envelope.  It transitioned to an online company in 2000.

Megaupload: Megaupload Ltd was a Hong Kong–based online company established in 2005 that operated from 2005 to 2012 providing online services related to file storage and viewing.

Zappos: Zappos.com is an online shoe and clothing shop based in Las Vegas, Nevada.

GroupSpaces: GroupSpaces (styled groupspaces) is a London-based online company that provides technology to help real-world clubs, societies, associations and other groups manage their membership and activities, and promote themselves online.  Founded by Oxford University students David Langer and Andy Young, the company was launched in the United Kingdom in 2007 and has since expanded into the United States and over 30 other countries.  As of November 2010, its software is used to host over 1 million memberships.

EAngel: eAngel is an online company founded in 2012 that provides proofreading services for professional and personal emails.  eAngel hires human proofreaders to proofread in five languages, English, Spanish, French, German and Hebrew.  Subscription plans for the service begin at $5 and customers are charged varying fractions of a cent per corrected character and word.  eAngel has stated that they see businesspeople, students and people with Dyslexia as their main target segment.

Prescott Lee: Prescott Lee is a technology industry executive who co-founded the company FilmLoop along with Kyle Mashima.  Lee previously founded and built the online company "eCircles.com" with Nathanael "Joe" Hayashi, which they subsequently sold to the firm "Classmates.com".

Fltplan.com: FltPlan.com is an online company which serves the general and corporate aviation community.  Founded in 1999, it originally concentrated on flight planning.  Its services now include flight tracking, e-APIS submissions, GPS RAIM predictions, and an FAA-approved weather service.

Nick Swinmurn: Nick Swinmurn founded Zappos.com in 1999.  He left Zappos in 2006 before it reached $1 billion sales in 2008 and was sold to Amazon in 2009.

Supporting paragraphs: Nick Swinmurn Zappos
Answer: Las Vegas, Nevada