Depending on broad match or phrase match to get listed on Google? A new tweak to Google AdWords means that in some cases, that might no longer get your ad listed as in the past.

Ads quality and you from the Inside AdWords blog from Google covers the change. For queries that are less commercial in nature, broad matching is becoming more conservative, less likely to put some advertisers on Google's search results pages.

The upshot for users, Google says, is less likelihood of getting irrelevant ads. For advertisers, it means that for those ads where you absolutely, positively want to show up, exact match is the way to go.

Find out more about Adwords broad match at http://blog.searchenginewatch.com/blog/060427-162151.