LEO has been my favorite SCOT Tribe and they completely changed the game with the addition of Leoshop. One could literally release a separate blockchain project to compete with Leoshop alone. Then there are the other features like DEX and social features.

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The Fees Are Only 1%

This is less than the fees charged by credit cards and thanks to the 3 second fee-less Tx of STEEM, everything is settled almost instantly with top notch security. Many other platforms charge 10% or even 30% fees in my expereince.

STEEM Account Based Product Reviews

Authentic reviews are messy subject. There are blockchains like http://revain.org trying to solve this problem. But why not just use the existing STEEM accounts for the job? It's not perfect. But it works!

Leoshop even offers escrow services if needed!