The most common and most likely answer to this crossword clue is the 7 letter word ROLLOUT
I've seen this crossword clue in The Guardian
R
O
L
L
O
U
T
More clues leading to the result ROLLOUT
Buddy explains!
The straight part
We know that "unveiling of a product, say" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case unveiling of a product, say = rollout.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.
What does ROLLOUT mean?
ROLLOUT noun- An act of rolling out; deployment.
- A play in which a quarterback moves toward the sideline before attempting to pass.
- A form of analysis in which the same position is played many times (with different dice rolls) and the various outcomes are recorded.
- A game variant in which players progressively reveal their cards.