I did a bit of testing on the Facebook/Twitter feature.
A bunch of people passed along codes allowing to disable said feature to some extent:
.b-repost-item {display:none}
and
.b-repost-item, FORM#qrform > TABLE[style="border: 1px solid black;"]:last-child TD[style="vertical-align: top; text-align: right;"]:first-child { display: none !important
(
Read more... )