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Sophie Hartley
Growth Writer · ReplyGen
Sophie Hartley covers X/Twitter and Threads growth strategy for the ReplyGen blog. Her writing focuses on reply-first growth tactics, algorithm insights, and how creators can build genuine audiences through strategic engagement rather than content volume.
Topics covered
- X/Twitter algorithm mechanics and reply strategy
- Threads community engagement and growth
- Reply-first audience building tactics
- Growing to 1,000+ followers on X through replies