All they're recognising here is that bubbles burst, and that a big factor in the bubbles is media and social network attention.
So when search volume spikes, a bubble is probably happening, which will pop at some point or other. Well done BBC, justifying that license fee once more.. (but at least it's more visibility for bitcoin)
nah BBC is not talking about bubbles, or devaluations.. just short term hypes that corrects itself (spikes).
this is their description of a hype spike
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this is a bubble
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the article does NOT explain very well that 'spikes' or even 'bubbles' as being part of natural growth (positive propaganda and how bitcoin is actually trending), but it does try...
This too tends to lead to a rise in the nominal value of Bitcoins.
"Our analysis suggests that the successive waves of growth of the Bitcoin economy were driven by corresponding waves of new users from public circles gradually opening to the currency" wrote the researchers.
this is natural growth
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the article does NOT mention or insinuate that 'spikes' are devaluationary (long term loss negative propaganda)
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so relax.. the article is a basically a useless page filler containing nothing of relevance, purely them trying to look smart for a lollipop to tell people that a spike goes up and down.