"Groupon must spend to grow, but must continue growing to cover its operational expenditures" I believe some of Charles Ponzi's companies also suffered from th

"Groupon must spend to grow, but must continue growing to cover its operational expenditures" I believe some of Charles Ponzi's companies also suffered from these kinds of structural problems, luckily Ponzi like Mason was able to exit his position in the company through follow on investors before the issues started to seriously affect the valuation of the company.