Crossword Genius

Mark owns hot ticket (7)

Ross

I believe the answer is:

hashtag

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'mark' is the definition.
I don't know anything about this answer so I can't judge whether this works.

'owns hot ticket' is the wordplay.
'owns' becomes 'has' ('have' can be a synonym of 'own').
'hot' becomes 'h' (abbreviation eg on taps).
'ticket' becomes 'tag' (I've seen this before).
'has'+'h'+'tag'='HASHTAG'

Can you help me to learn more?

(Other definitions for hashtag that I've seen before include "Social media identifier" , "Octothorp" , "component of tweet" , "Label on a Twitter post" , "Word or phrase to aid online searches - hag's hat (anag)" .)

I've seen this clue in The Telegraph.
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