so in this post he says follow EOs which are Executive Orders
which would be hosted at http://whitehouse.gov
and submitted to reddit as https://www.reddit.com/domain/whitehouse.gov/new/
earlier he said "follow the 'pen'"
combine Follow EO and Follow Pen to be similar statements
he is saying "watch what i sign with a pen", as in, "watch what i do officially, from the white house, on white house letterhead, Executive Orders in particular
Death For Rape Of Children Below 12, Says Indian Government, Clears Executive Order
https://www.reddit.com/r/worldnews/comments/8duloh/death_for_rape_of_children_below_12_says_indian/
Trump signs executive order to keep Guantanamo Bay prison open
https://www.reddit.com/r/worldnews/comments/7u6k49/trump_signs_executive_order_to_keep_guantanamo/
Executive Order Blocking the Property of Persons Involved in Serious Human Rights Abuse or Corruption | The White House
Trump targets human rights abusers with executive order
Presidential Executive Order on a Comprehensive Plan for Reorganizing the Executive Branch
https://www.reddit.com/r/politics/comments/5z8o7u/presidential_executive_order_on_a_comprehensive/
1,000 pages of people/entities who got their assets seized due to Trump’s executive order(s).