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This is a small Sinatra app that loads user data from a YAML file and renders simple profile pages. It includes a home page that lists all users, individual user pages that show email + interests, and helper methods that compute totals (how many users and how many interests overall). It’s a clean example of server-rendered pages backed by lightweight structured data.

Skills demonstrated:

•     Ruby
•     Sinatra
•     YAML data loading and transformation
•     Dynamic routing (/user/:name)
•     ERB templating
•     Helpers for derived data (counts, aggregation)
•     HTML layout + navigation