Internet to be lowercase in New York Times and Associated Press
nytimes.com
nytimes.com
In the last 25 years or so, the concept of an internet has basically disappeared (for the most part, maybe we just call it a LAN/WAN now), while the Internet (soon, according to NYT and AP, internet) is all that people mean when they refer to internet now. Which I guess is how language evolves.
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When television first came out, it was capitalized. If you think the internet is a medium, it makes me sense lowercase.
If only there was technology to flag potential spelling errors in the editor along with all of the other automated style rules used by the industry.