Some time ago I uploaded a gravatar, and within a day or so it had appeared everywhere I used it. Then last week, I changed it again. It appears to have changed on my blog and dashboard etc, but the old one is showing when I post a link to the page on Facebook (along with a random picture from one of my posts). It's been a few days now, did I miss something when I changed it? Is there a way of deleting the old one entirely?
The blog i'm referring to is anothersicknote.com
The blog I need help with is anothersicknote.com.