What is the meaning? 'They created a buzz that has taken on a life of its own'

[maxspeed]

I have cited this sentence from a passage about the new iphone.

Many thanks
maxspeed

[Alan]

Hi,

I think the complete sentence should read: They created a buzz that has taken on a life of its own.

This could mean: they have created an excitement that has increased and is now a considerable force in itself.

Alan
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[maxspeed]

Thank you very much Alan