DEAR MISS MANNERS: My husband and I are disagreeing on what a proper RSVP is. I sent out digital invitations for my son’s birthday party and requested people RSVP to me. Many of his family members “liked” the digital invitation, but did not specifically respond as to whether or not they were attending.

I told my husband that no one from his family had responded, but he thinks the fact that they “liked” the invitation is their RSVP. I don’t agree with this, especially since there are families being invited with children who do not have their own phones to “like” the invitation.

Even if this counts as their response, how do I know whether to expect one person or their entire five-person family?

GENTLE READER: When they first appeared, Miss Manners was assured that electronic invitations

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