Visitors' names and phone numbers are promptly entered into a database.
Inside the 30-acre park, the concessionaires included a "blacksmith" who wrote visitors' names in permanent marker on tiny horseshoes.
White House officials said they planned to release visitors' names toward the end of every month, saying the disclosure demonstrated the administration's openness.
MiRo, by Sebastian Conran Associates, is a "biomimetic companion robot" dog that will transmit news of any problems to a hub, remind us to take our medicine, and of our visitors' names.
Conran's company describes it as a biomimetic companion robot, and says it will eventually work with facial recognition technology to make life easier for its owner – to prompt them to take medicine, or to remind them of visitors' names, or to question them if it thinks they're in trouble.
The White House outlined several exceptions to the policy: "purely personal guests" of the Obama family; those cases in which the disclosure of visitors' names "would threaten national security interests"; and those who come for "particularly sensitive meetings," like candidates for a Supreme Court nomination.
Visitors' names had to be cleared a month in advance.
Most graffiti showed visitors' names and dates of their visits.
Millions of visitors' names were published over the course of eight years.
While the Obama administration did release its visitor logs, they were often incomplete and officials had ways of keeping visitors' names off them.
Many visitors names, in the Hebrew and Samaritan characters, are written on the walls of this enclosure.' One of the inscriptions is said to intimate the tomb's repair by a Jew from Egypt, Elijah son of Meir, around 1749.
