How to find out where the Telegraph's latest small businesses support the Conservatives letter came from.
1) Click on the PDF link in the story below (about halfway down)
2) Save the PDF to your computer
3) Right click the file name on a PC or ctrl-click on a Mac
4) On a PC choose Properties, on a Mac choose Get Info and then click More Info
5) You should see that the author of the PDF file is CCHQ-Admin - Conservative campaign headquarters. Something the Telegraph story neglected to mention.
(this is from Facebook contributor Dan Barrett)