There is exactly one result for "coffee shops" in San Francisco. The tech and privacy initiatives sound good, but unfortunately the data needs work to pass basic sanity checks.
https://duckduckgo.com/?q=coffee+shops&ia=web&iaxm=maps&stri...
Edit:
Searching for "coffee shop" (singular) shows many more results. Perhaps the blog post should use that as its example.
https://duckduckgo.com/?q=coffee+shop&ia=web&iaxm=maps&stric...