Posted on 24 January 2012
In November 2011, MSN began supporting exact match negatives. It was a long time coming since Google has supported the match type for years. Although MSN differs a bit from Google in other match types such as their use of broad match, exact match negatives work the same in both MSN and Google.

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MSN Rolls Out -[Negative Exact] Match Type
Popularity: 4% [?]
Posted on 05 September 2011
adCenter has rolled out some enhancements to the Broad/Phrase Match algorithm as of early August.
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adCenter Broad Match Enhancement Released – What You Should Know!
Popularity: 1% [?]
Posted on 03 May 2011
“Negative” keywords are just as important as the ‘positive’ keywords you bid on. Effective targeting of your Adwords campaigns requires that you put your ads in front of the right users, and keep them away from users who are unlikely to be interested in your product or service. Many keywords have multiple meanings from niche to niche, others many apply to a particular area of your niche that your product may not want to target. Poor broad-matching due to inadequate negatives can severely impact your keyword relevance quality scores as well as keyword-level quality scores are heavily measured based on ad click-through rates (CTR), and the more often your ad shows against irrelevant keywords, the lower your CTRs will be. Different Kinds of Negative Keyword Structures For search campaigns, negative keywords can be added either on a campaign-wide basis, or on an adgroup-only basis

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How to Research Negative Keywords
Popularity: 8% [?]
Posted on 14 December 2010
Changing adwords campaigns, particularly established campaigns that are working, can involve a lot of trial and error. We don’t want to ruin a good thing, yet all of us want to optimize for best results. In August 2010, Google rolled out a helpful tool called Adwords Campaign Experiments , otherwise known as ACE.

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How To Use Google Campaign Experiments To Optimize Adwords
Popularity: unranked [?]
Posted on 27 August 2010
The integration of the Search Query Report directly into the Keywords tab of your Search campaigns makes it super-easy to see if your keywords or match types are picking up non-converting or irrelevant searches that should really be added as negatives at an adgroup level at least, or at a campaign level if they’re “way out there”. It should be noted that the search queries (even in the new UI option) can take a couple of days to fully populate with results, so it’s best to look a decently-sized block of time to make sure the data is valid

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Add New Negative Keywords & Placements On the Fly
Popularity: 7% [?]
Posted on 30 July 2010
Google’s latest targeting feature is the release of the new modified broad match. This new match type gives targeting results that are in between phrase match and the original broad match, but is more closely related to phrase match. As many advertisers know, broad match can be quite risky, and sometimes not produce the most desirable ROI’s.

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Plus One! Google Adds Another Match Type
Popularity: 1% [?]