BOSTON ( TheStreet) -- Groupon's highly anticipated initial public offering goes live Thursday after buzz and hype turned to criticism and hating of the "group coupon" company. That hasn't been helpful. Given that it's a fast-growth company, Groupon could deliver outsized returns for investors willing to take some chances.So here's a breakdown of Groupon, by the numbers. 30 million: Amount of shares Groupon is selling to the public. 632.4 million: The amount of Groupon's outstanding shares.