Unlike them, Amazon has the advantage of being the world's best known pure internet etailer and also having built up a cash pile.

BBC: Will Amazon ever make a profit?

E-tailers have been having a hard time recently following the collapse of high-profile sports etailer, boo.com, and investors have become increasingly wary of online etailing ventures.

BBC: Wine e-tailers merge

So to Amazon, to Overstock, to every etailer out there big or small, I say take a hard look at your abandonment efforts, or lack thereof.

FORBES: Online Retailers: Fixing Shopping Cart Abandonment