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Facebook has tried to copy Snapchat for years.But during the past year Facebook has gone into overdrive, blatantly, systematically and often successfully, cloning Snapchat's core features. The result is that Facebook's family of standalone apps - Instagram, Messenger, core Facebook, and even WhatsApp - look much more like Snapchat than they did one year ago. And Zuckerberg now believes that the future of how people communicate on Facebook will be through the phone's camera - a concept Snapchat pioneered.
Here are all of the ways that Facebook has copied Snapchat so far:
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