presentation slides & outlines about E-commerce

hello.

I want at 8 slides about 

E-commerce-- pick a company that is strong in this sector and compare/contrast it with one that is weak.  Go on-line and show us specifics and critique good vs. bad.  Do your research here, but lots of good examples.  What are key elements of successful e-commerce today. Please at least in the first slides explain what is E-Commerce and types and anymore informatio. Let me know if you have any question. Thanks