Google Plus has a Secret Crush on Google Ads.

+1 an advert - Google Plus meets Google Advertising

Is it a good thing to give a commercial message value? Does this positively relates to the Google mission?

to organize the world’s information and make it universally accessible and useful.

Impact of +1 a Google Ad?

The +1 is sign to Google that you like that particular piece of information. Content that receives lots of plusses appear higher in search rankings.

Is the ability to +1 an ad a tool for Google to further improve their ad targeting practices?
How do you feel about the ability to +1 an advert?