People will need to contact the phone line or go online to get their tax query answered.

BBC: Tax: HMRC to close all of its 281 Enquiry Centres

Popular free Web search service Google, by comparison, will include items posted online, but it ranks them not just by germaneness to the search query but by how many different Web sites link to a particular posting.

FORBES: Search and Ye Shall Find

It conducts a ten-minute online survey of a sample of its target audience--7, 500 people were included in a recent query--and divides them into two groups, those who have seen ads and those who've missed them.

FORBES: Magazine Article