<% for person in @people %> <% end %>

Name	bytes	chars	reversed
<%= person.name %>	<%= person.name.length %>	<%= person.name.mb_chars.length %>	<%= person.name.mb_chars.reverse %>

<% form_for :person do |form| %> New name: <%= form.text_field :name %> <%= submit_tag "Add" %> <% end %>