pros for Google+

As Google+ was recently released for brands and businesses it has been quickly picked up by many, and now we can see that Google are running some further experimental steps to help its success. These steps are increasing the prospect that businesses that overlook this new online marketing tool will be at a great disadvantage compared to any competitors that appropriately use it.However i want to know the pros for Google+ when many people are praising it, can you say some pros ?