from what i can tell, this would not apply to you (conference attendees / speakers), but even though they said immigrants seeking visa, perhaps they could mean

from what i can tell, this would not apply to you (conference attendees / speakers), but even though they said immigrants seeking visa, perhaps they could mean a broader set of visas. I couldnt tell from reading the article if they meant viewing their wall or private messages. Did anyone have any clarification on that?