{HEAD ~ An example} of verification step 219 comprises rendering {TAIL ~ the downloaded content} and using a human to verify that the downloaded content matches the sought content 
{ HEAD ~ An example } of verification step 219 comprises rendering { TAIL ~ the downloaded content } and using a human to verify that the downloaded content matches the sought content
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH