If I share on social medias like fb writing first one or two para of my post and then giving link to my post, would it cause any trouble?

Selected answers from the Dumb SEO Questions Facebook & G+ community.

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  Sanyam Khurana: If I share on social medias like fb writing first one or two para of my post and then giving link to my post, would it cause any trouble?
  
  Would it come under copyscape issues etc?
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  Chomp Digital: It shouldn't be a problem but I always recommend writing unique messages and calls to action on each channel. 
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  Roy Engel: Unique is always the best way, but I don't see any major duplicate content issue here. Just make sure the FB page is relevant to the content you are linking to.
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  Jelani Burton: +Sanyam Khurana ;I don't think so. However, like +Roy Engel ;said, unique is always better.  ;I like to think of SM posts as a micro-blog, a prelude into your actual post. ;
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  Sanyam Khurana: Ok, thanks for clearing up.
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  SocialProfiles.us: I agree. ; No serious issue, to use a small synopsis, clipping of original article, and link to parent, but if you have the time to write a unique description with a link, it's better.
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  Mayur More: If you are creating your own content then there is no problem at all. ;
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  David Smith Segarra: Hey Sanyam, nothing to be worried about.. Just ensure all content is yours and hence unique and all will be A.O.K! :-)
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  Jim Munro: No links, please, +Sanyam Khurana ;:)
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  Sanyam Khurana: +Jim Munro ; Sorry, I'll take care from next time.