As far as I know the Facebook share option at the bottom of every post is now working. So if you would like to share an article from my blog on Facebook you should now be able to do this using the Share option at the end of each post.
It works for me anyway. Please let me know if it doesn't work for you.
I don't have a Twitter or Reddit account so I can't test them. I read Reddit but I don't contribute. If someone could test the Twitter and Reddit shares I would be interested to know if they work.