require 'nokogiri'
require 'open-uri'
require 'spreadsheet'

doc = Nokogiri::HTML(open("http://www.asus.com/Notebooks_Ultrabooks/ASUS_TAICHI_21/#specifications"))

#Grab our product specifications
data = doc.css('div#specifications div#spec-area ul.product-spec li')

#Modify our data
lines = data.map(&:text)

#Create the Spreadsheet
Spreadsheet.client_encoding = 'UTF-8'
book = Spreadsheet::Workbook.new

sheet1 = book.create_worksheet
sheet1.name = 'My First Worksheet'

#Output our data  to the Spreadsheet
lines.each.with_index do |line, i|                                                        
  sheet1[i, 0] = line                                                                     
end    

book.write 'C:/Users/Barry/Desktop/output.xls'