/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: cisdell https://public.slidesharecdn.com/v2/images/profile-picture.png I try not to check Facebook regularly (about 60 times/year). The posts you see on my Timeline may be sourced from other web services I use, and it is possible that I may not see your comments, or any interactions associated with my posts.