First, Google rolled out AI Overviews broadly starting in mid-2024. For informational queries like "how to change DNS settings" or "best wireless earbuds 2026," Google now generates an answer directly in the search results. The user gets what they need without clicking through to a publisher. The sites most dependent on these queries (HowToGeek, Digital Trends, ZDNet) are the ones with the steepest drops.
It started during the last ice age, when humans hunted large mammals such as the mammoth to extinction, and has continued to the present day as land is cleared to make way for fields, farms and cities. Specialist creatures that exploit a particular niche – such as the flightless Fijian bar-winged rail – have been pushed out by adaptable generalists, like mongooses, brought to Fiji by humans in the 1800s. More recently the homogenocene has hit the oceans, with warmer waters devastating coral reefs for example.
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