Chowbus user data breach (email, name, phone, address) with 800k rows

  $ head -n 1 users_y1KGkRi.csv
  "email","first_name","last_name","phone_number","address_1","address_2","city","state","zip_code"
  $ wc -l users_y1KGkRi.csv
  803354 users_y1KGkRi.csv
  $ cat users_y1KGkRi.csv | cut -d "," -f 1 | sort | uniq | wc -l
  444218

  $ head -n 1 restaurants_KmHZSPi.csv 
  "name","foreign_name","phone_number","commission_rate","address_1","address_2","city","state","zip_code"
  $ wc -l restaurants_KmHZSPi.csv
    4301 restaurants_KmHZSPi.csv