Cost per click is found by taking cost per click and multiplying it by the volume of clicks.  The product is generally an average of the cost of the keyword for the month. 
After a solid Q1 performance, Q2 is losing ground.  Possibly the CPC loss answer could lie in the time of year.

In its [...]

Digg has expanded their listing of tech topics to include several that are specifically NOT tech related.

The site will now include separate sections for world and business
news, entertainment, science, and gaming, each of which will be divided
into a host of subsections for users to further categorize stories.
This move was expected from Digg, per their own [...]

Today the BBC launched "The Editors". The blog, launched with a lengthy exposition on what blogging is and what it should be as well, hopes to continue the BBC’s long-standing tradition of interaction with readers.
The BBC has high hopes for their new blog.
In the past, he says, it was always possible to write a [...]

If you’ve ever put out a thrown-together newsletter then you know that they can certainly come back to haunt you.  People frequently archive their email newsletters so if you are in the habit of releasing shoddy material, it may come back to bite you.
Successful email newsletters mimic print newspapers.
Be sure you have a locked-down editorial [...]