can you block google adwords

"Google offers the ability to block advertisers in AdWords ads.

If you are bothered by Google's AdWords ads, you can change their display settings. In Gmail and Google searches where AdWords are included, a ""Why these ads"" indicator is displayed in the top right corner. "
Automated Adwords
Key Benefits
PPC perfectly optimized ads management for large volumes
Increase keywords performances
Speed up Adwords Creation
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Some Statistics

Each $1 paid on PPC campaign, online businesses earn an average revenue of $2.

PPC visitors are 50 % more likely to do a purchase than organic visitors.

Share of Google of all media online advertising income : 18 %.