They can't - you have to have a userbase before you can sell to them. That's what kills too many uneducated startups - they introduce a paywall without content or credibility. Advertising is a bit of a drain to users it seems
But seriously - I hope they don't for a while. Afterall - if it keeps users within Google, it keeps them on their search engine !
No. They're a "blue" company, like Dell. Over analytical. When I saw the G+ Interface, I thought - ok, clean. Design: Non-existant. But then someone (a designer I hold in high regard, said he loved it). Apparently a lead designer in twitter left Google because they asked him to do statistical analysis of 52 different shades of Blue that they liked....
And hence the G+ interface. no design but it works. A bit like a Toyota.
I don't think it would take Google Engineers more than a day to drop in AdWords into the UI somewhere !
There are sp many ways to market via google plus.Some of the methods are:
This will help you to connect with people.
Through google plus you can attract and share the content and news about the company or the business.