Anthony Ha / TechCrunch:

Facebook makes Collections shareable, allowing users to share gift ideas or shopping lists with friends  —  This holiday season, Facebook is hoping you’ll use a relatively little-known feature to share your gift ideas.  —  With collections, users can already save Facebook content …

Facebook makes Collections shareable, allowing users to share gift ideas or shopping lists with friends (Anthony Ha/TechCrunch)
Source: Tech Meme