    # File lib/ramaze/helper/formatting.rb, line 75
        def time_diff(from_time, to_time = Time.now, include_seconds = false)
          distance_in_minutes = (((to_time - from_time).abs)/60).round
          distance_in_seconds = ((to_time - from_time).abs).round if include_seconds

          case distance_in_minutes
            when 0..1
              return (distance_in_minutes == 0) ? 'less than a minute' : '1 minute' unless include_seconds
              case distance_in_seconds
                when 0..4   then 'less than 5 seconds'
                when 5..9   then 'less than 10 seconds'
                when 10..19 then 'less than 20 seconds'
                when 20..39 then 'half a minute'
                when 40..59 then 'less than a minute'
                else             '1 minute'
              end

            when 2..44           then "#{distance_in_minutes} minutes"
            when 45..89          then 'about 1 hour'
            when 90..1439        then "about #{(distance_in_minutes.to_f / 60.0).round} hours"
            when 1440..2879      then '1 day'
            when 2880..43199     then "#{(distance_in_minutes / 1440).round} days"
            when 43200..86399    then 'about 1 month'
            when 86400..525959   then "#{(distance_in_minutes / 43200).round} months"
            when 525960..1051919 then 'about 1 year'
            else                      "over #{(distance_in_minutes / 525960).round} years"
          end
        end