![](https://lemmy.zip/pictrs/image/7ef68b55-bfc9-4cde-a87d-45eae830535c.webp)
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Someone was testing a program they made that links Lemmy / Mastadon (ActivityPub) to other services, think threads or Reddit.
When they ran the program it created all the dummy accounts and published it to the Fediverse making it look like a lot of new users joined.
From Scotland and the family calls it “the runs”.