I did a HN search and nothing came up originally, I must have done it as one word. I'm wondering if anyone has any knowledge/experience of it, other than media

I did a HN search and nothing came up originally, I must have done it as one word. I'm wondering if anyone has any knowledge/experience of it, other than media hype. I hear 'the next big thing' and immediately think 'what makes you think that?'