I could be wrong here, but I don't think you get inbound posts in your G+ stream (or email) from +1s, unlike FB "Likes" which give the owner the ability to post to your New Feed. On G+ you have to go and explicitly "Circle" a business / web site to see their posts.
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Not gonna work for me. First thing I do after installing a browser is to install ghostery and disable all the social buttons.
Also, wouldn't you be exposing yourself to spam from all the sites you +1 ?
I could be wrong here, but I don't think you get inbound posts in your G+ stream (or email) from +1s, unlike FB "Likes" which give the owner the ability to post to your New Feed. On G+ you have to go and explicitly "Circle" a business / web site to see their posts.