The most common and most likely answer to this crossword clue is the 10 letter word E-COMMERCE
I've seen this crossword clue in The Guardian
E
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C
O
M
M
E
R
C
E
More clues leading to the result E-COMMERCE
- . Energy and force about Frenchmen in online business
- PC way to trade green car adopted by setter
- Des leaves car parked behind Green Mile traffic — on line!
- Finally, police force investing two thousand in high street competition
- Online business is drug trafficking?
- Somehow coerce me to invest money in a new age business
- Where net sales are conducted
- Come around and cut short the British textile dealer’s business on the Internet
- Reducing margins, become about to cut simple deals with PC?
- Turn up without car on eastern sector of Amazon?
Buddy explains!
The straight part
We know that "feature of the online world?" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case feature of the online world? = e-commerce.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.