diff --git a/sources/tech/20210212 18 ways to differentiate open source products from upstream suppliers.md b/sources/talk/20210212 18 ways to differentiate open source products from upstream suppliers.md similarity index 100% rename from sources/tech/20210212 18 ways to differentiate open source products from upstream suppliers.md rename to sources/talk/20210212 18 ways to differentiate open source products from upstream suppliers.md