Husband aghast, changing social media feature (7)

25A — Husband aghast, changing social media feature (7) — HASHTAG

• Definition
  Definition found: 'social media feature'
• Indicator
  Indicator found: 'changing'
• Operation
  'changing' signals a anagram operation
• Fodder
  Fodder: 'Husband aghast,'
• Abbreviation
  Abbreviations spotted: 'Husband' → H
• Assembly
  H > HAGHAST = HASHTAG

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