In Katrina's wake

Massive hurricane slams into the Gulf Coast, turning lives upside down. It's a long road ahead for recovery efforts. Photos: Before and after

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Twitter flips order of some tweets, users flip out

Changes to Twitter's timeline could make the social network more appetizing to some -- and confusing to others. Meanwhile, LG teases an "always-on" screen for the G5 phone.

by Bridget Carey