May 16, 2014 10:29 AM

As brides and grooms share on social media, more friends realize they weren’t invited.

Social media is enabling the brides and grooms to share the good news of their engagement and weddings, to post pictures of parties and other mileposts along the way. But there is a downside, and not just with the large numbers of people who in a predigital age might not have known that they stand among the ranks of the uninvited.

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