The Michigan Corpus of Academic Spoken English is a searchable collection of almost 2 million words of transcribed spoken English from the University of Michigan, including student study groups, office hours, dissertation defenses, and campus tours. Researchers use the Michigan corpus to investigate questions about usage, like "less or fewer?" (cf. this contentious Ask Meta thread) and more general topics, like "Vague Language in Academia." Browse or search MICASE yourself.
The 50 words that generate the most click-throughs to the dictionary from the New York Times. The Nieman Journalism Lab reveals the words that sent NYT readers running to the Merriam-Webster. Key fact: Maureen Dowd is overly fond of the word "louche." If the post is TL;DR for you, here's the list in Wordle.