Track how topics transform through 100,000+ tech news articles. Discover inflection points, semantic drift, and the shifting meaning of narratives from 2014 to today.
Try: artificial intelligence · remote work · "OpenAI" · "Elon Musk" · metaverse
From research curiosity to industry revolution in 24 months
EV pioneer → energy company → AI play: watch the pivot
Three hype cycles, three crashes, enduring relevance
Post-pandemic correction reshaped Silicon Valley
Every article is embedded in vector space. We compute quarterly centroids to track how a topic's meaning cluster moves over time.
Measure the cosine distance between period centroids. High drift = the conversation fundamentally changed.
Automatically identify pivotal quarters where coverage spiked or narrative direction shifted dramatically.