While your personal brand can be accentuated with your online presence and your ability to manage the discussions on Twitter, there are downsides – and this is, unfortunately, an example of what can go wrong.

Be very careful about what you say and put up on the Social Sites. 

You never know what comes back to bite you- with more and more reference check being done online…   be careful, be very careful.

http://www.slashgear.com/microsofts-creative-director-resigns-after-twitter-rant-10277381/