Cryptic crossword clue
We do short messages – time with little rest breaks 8

The most common and most likely answer to this crossword clue is the 8 letter word TWEETERS

I've seen this crossword clue in Financial Times
T
W
E
E
T
E
R
S

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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 TWEETERS mean?

TWEETERS noun
  1. An electronic speaker designed to produce high-frequency sound.
  2. One who posts messages ("tweets") on the social networking site Twitter.

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