The document summarizes statistics from Gilt Groupe, a members-only flash sale site, including: 1) In 2010, Gilt Groupe had over 20,000 members and sold 19,415 products, with 92% of available products sold. 2) A chart shows Gilt Groupe's membership growth from 2010 to present, reaching over 1 million members currently. 3) The document asks what challenges Gilt Groupe may face going forward as the company continues to grow rapidly.