When British people write X after everything, are they being serious or trying not to be awkward?

I used to put xxx at the end of my statuses on Facebook. Then to be polite to my American associates...
I used to put xxx at the end of my statuses on Facebook. Then to be polite to my American associates...
NASA's GOLD mission found unexpected, and unexplainable, C-shapes and X-shaped formations in part of...
I hope you enjoy this as much as I did. Two best friends graduated from medical school at the same t...
A newly discovered 33-foot giant dinosaur, Xingxiulong yueorum, could significantly alter our unders...
Thomson Reuters (Nasdaq/TSX: TRI), a global content and technology company, today unveiled its next...
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Taraji P. Henson spoke about being respected and treated fairly by Tyler Perry as professionals and...
I co-authored an opinion piece in the Houston Chronicle with Lisa Gray
Yes Obito did many terrible things, many awful deeds, caused death, war, anguish and despair in his...
A groundbreaking discovery using the Inouye Solar Telescope has revealed ultra-fine magnetic "stripe...
Billy Joel reveals he attempted suicide twice in his new documentary, 'Billy Joel: And So It Goes,'...