Welcome to TechCrunch daily news, a round up of the top tech news of the day. Presented by Bose noise-masking sleepbuds. Tiny earbuds for better sleep. All night. Every night. --Social media platforms struggle to respond to the New Zealand shooting tragedy --Two Facebook executives depart --and Apple responds to Spotify's complaint of anti-competitive behavior. Here's your Daily Crunch for March 15, 2019.

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