noun
newsworthiness; topicality; buzzworthiness
Refers to the quality of being a hot topic or having public interest, often used in media and marketing contexts.
この事件は話題性が高いので、多くのメディアが取り上げている。
This incident has high newsworthiness, so many media outlets are covering it.
新製品の話題性を高めるために、有名
They used a celebrity to increase the buzz around the new product.