Facebook trialled this feature on smaller markets before the large rollout it's getting now. Data has its place, but you can only user-test things after they'r

Facebook trialled this feature on smaller markets before the large rollout it's getting now. Data has its place, but you can only user-test things after they're already built, and you can't build everything. At some point, somebody has to make a gut decision on what's worth sending to user testing.