Wlodek Filipczyk spends about 100 days out of the year traveling for business, and the walls of his cubicle show it: They're lined with Do Not Disturb signs he's collected from hotels around the ...

Hilton is joining other hotels in re-thinking the ubiquitous “Do Not Disturb” sign. The McLean, Va.-based company is now suggesting that a team member alert a security or duty manager if a Do ...