Newseum Exhibit on Mobile and Social Media with Val Hoeppnerby Val HoeppnerApril 1, 2013 Share this: Email a link to a friend (Opens in new window) Email Share on Facebook (Opens in new window) Facebook Share on LinkedIn (Opens in new window) LinkedIn Share on X (Opens in new window) X Share on Tumblr (Opens in new window) Tumblr Print (Opens in new window) Print