Not that boundaries have figured that highly in Plant's career anyway.
"Most psychiatrists feel that boundaries are very important, and most patients feel that boundaries are very important," said Dr. Dinah Miller, a psychiatrist in Baltimore who knows Dr. Ablow but disagrees with his methods.
Ms. Frank says that this example shows that "boundaries of conduct were never as narrow as we sometimes believe".
There is, in the games industry at the moment, a sense that boundaries are being broken every year.
Dimon echoes the standard business sentiment that boundaries that create inefficiencies raise costs for the enterprise and, therefore, for customers.
Mr. Ford was underlining his belief that boundaries within the dance world, often demarcated by antiquated ideas like "uptown" and "downtown," are unnecessarily divisive.
"I think what's happened is that boundaries have gone and there's a sense that everything is possible in Ireland in all kind of ways," he said.
The ear will show as part of the gallery's 'Free Radicals: Sugababe and Other Works' exhibit, which explores that boundaries between art and science.
But once dehydration and fatigue set, he decided that boundaries were the way forward, Houghton simply unable to drag his body from one end of the pitch to the other.
What this all means is that boundaries in the business world -- company to company, company to employee, company to consumer -- will blur, especially when machines like the 3-D printer trickle down to the consumer, which isn't so far off.
But, admitting that "boundaries aren't my forte," she often has a Bluetooth headphone in her ear, and she compulsively scrolls through her BlackBerry, even at stop signals while driving.
