What has happened to Adwords since 2008?
Against the dramatic backdrop of the banking crisis, turmoil on the worlds stock markets, loss of consumer confidence and tales of a long and deep recession; what has been happening on Google Adwords?
You'd expect that competition on Google Adwords would reflect this volatility.
Instead we've often seen the picture below on campaigns with spending caps.
With fixed budgets the cost-per-click has increased in a
straight line as the clicks drop.

Linear pattern seen on fixed budget Adwords campaigns in 2008
Competition on many keywords has increased dramatically with over 440 ads vying for 'cnc machining'. Many businesses abandon broadcast & glossy mediums and turn to search marketing.
The advantage of search marketing is that you can measure your results then improve or turn off poor campaigns, ad groups or keywords. The ads showing for 'cnc machining' show little evidence of this.
Google's Changes
The biggest change by Google is that they no longer disable your keywords. Rob's blog covers
Google's new quality scores & their impact.
Google's budget optimiser has been improved to return more clicks for your daily limit. It does this by showing ads outside office hours to avoid competition from ads using scheduling!
React by bidding higher and this will cost you.
Twice the clicks can cost FIVE times as much!
Monitoring your Adwords Campaigns is Vital
It has been termed a 'search marketing laziness tax' but whilst Google manages and adjusts their dynamic ad brokerage they also provide tools and alerts for advertisers.
The campaign summary, below, has all the signs of active management. In fact there were no changes during this period.
So what caused the hike in impressions at the turn of the year?
What caused the CPC to go up notably during the summer?
This campaign had plenty of budget headroom and these changes reflect moves in the marketplace and changes in Google's algorithms.

Dramatic changes seen on one campaign this year.
