You can click on them (when blue) and they will take you straight to the search, showing posts with the hashtag in question. People who search for a certain topic can do so with or without the # and a keyword: You get slightly different results with either method, I've noticed.
Using hashes is a good way to get your posts noticed by the public in search, not just in photo themes but on any topic, works also in Communities.
Social News Daily 10 Reasons To Use Google+ Communities Business 2 Community Google+ had a big 2013. With over 1 billion registered users and 340 million active users, it is steadily gaining ground on Facebook.
Google+ is out there and, like holiday dinners with the in-laws, you can choose not to participate at your own peril. The good news, however, is that Google has made it very easy for you and your business to jump on board. "How easy?" you may ask? Well, there is a good chance that there…
Venkatesh Iyer (venkyiyer.com)'s insight:
Hey prospectors take your claim. #google #googleplus #plus #google #company
The feature has been there for a few months. However, I only became aware of it a day or two ago. Not only does Google surface results for Google+ (public posts and posts shared with you), but it also links to Twitter and Facebook!
A few weeks ago, I shared a list of tools to help you make the most of Google+. Quite a few people noticed that a major one was missing: CircleCount. I left out that one on purpose because it deserved an article in itself.