They rise to the surface of the earth
Technology changes advertising and communications by increasing the outreach of people that will get the message, and increasing the speed at which they get the message. Which in turn makes the advertising more relevent because they can release more product to a wider audience during a specific time period.
I believe its true because you can expand or collapse sections of it
A formula in Excel will ALWAYS start with = then the function name like
=SUM(A1:A5)
Except that solid axles do. It have a break in it