Open source data platform and API for the Internet of Things."> <%= stylesheet_link_tag 'application', "data-turbolinks-track" => true %> <%= javascript_include_tag 'application', "data-turbolinks-track" => true %> <%= csrf_meta_tag %> <% if Rails.env == 'production' %> <%= render 'layouts/ga' %> <% end %> <%= yield :head %>