Distributed Teams, or A Remote Scrum Master

My thoughts on remote Scrum Masters in the article on AgileConnection: http://www.agileconnection.com/article/can-scrummaster-be-effective-leader-when-working-remotely

Scrum Master: Role or Title?

Product Owners define product roadmaps, developers write code, testers ensure quality, but what does a Scrum Master do? My thoughts on the topic are in this AgileConnection article:
http://www.agileconnection.com/article/scrummaster-role-or-title