Facebook tests splitting News Feed into two

(Reuters) — Facebook Inc said on Monday it was testing the idea of dividing its News Feed in two, separating commercial posts from personal news in a move that could lead some businesses to increase advertising.
The Facebook News Feed, the centerpiece of the world’s largest social network service, is a streaming series of posts such as photos from friends, updates from family members, advertisements and material from celebrities or other pages that a user has liked.
The test, which i