Ok, so 2 or 3 times a week i share videos uploading em directly in g+, and as i read in some other posts from stackoverflow, you can upload an unlimited amount of videos this way as long as they are 1080p or lower and last 15mins or less.

The thing is, 2 days ago, the upload feature got removed from my account (only this one), i didn't get any notification of any miss-behaviors, neither had any of my post flagged or removed... (ever, my account is like 3 months old).

So, what could it be?, how could i address this problem?

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Have you checked to see that you have, indeed, not run out of storage? –  Al E. Jul 17 '13 at 12:45
It's 0% used acording to my g+ settings, same for gmail and google drive. –  spiro Jul 18 '13 at 2:08

1. Post a message and be sure to include +Google+ Help in the message. These are the Community managers for Google+ and they are pretty good about replying to problems such as this - although sometimes it takes them a while to reply.