If a) it starts to matter to non-technical Internet users and b) they tie it into search heavily (which is the Google go-to playbook for promoting properties of strategic importance), I will start caring with alacrity.
Google+ will succeed because it's an exact clone of Facebook, but faster, more open to search engines (shocking!), integrated right into Gmail and makes it easier than Facebook to spam people.
The feature which Google is claiming to be the revolutionary new thing (Circles) has already existed in Facebook for a long time (lists and I've been using them). The problem with Facebook lists is that they are hidden, so most people don't know about them or can't be bothered to create them.
At first I thought Circles will fail like lists because it's too much work. But after playing with it for a few seconds, I realised Circles is going to be a huge win. Why? Because it's too much work and people LOVE wasting time on the internet. And it's fun dragging and dropping people into circles.
Whether you're a techie or not, you already know how to use Google+. Even if you want to avoid it, you won't be able to for long because it's going to be everywhere you go from now on.
Excuse the awful pun, but this thing's a vicious Circle.
Neither do I but the only hope for G+ is not plugging known holes - FB does that already. They need to create new possibilities instead.
"Everything is smoothly integrated into one place, from Google Chat to the notification center in the upper right. I wonder if I will be able to access my gmail and iGoogle widgets from Google+? If so, then it could provide a one-stop-shop for everything and take over as my browser homepage (something Facebook never had a chance at doing). One thing I have to be thankful for in that Google+ works well internationally because it remembers my Google settings. No other company could manage this.
Overall, like any social network, the #1 determining factor will be adoption. If my friends use it, I will use it. But adoption is based upon a good user experience and a service that solves a problem, and to my surprise Google+ seems to be accomplishing just that (I actually did not expect to like it). "