From pet sitters to spas and massages, specialized trainers to anti-depressants, people are sparing no expense when it comes to their four legged family members.
Some buildings are taking pet-friendly to another level, boasting service centers for four-legged residents.
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More eyes and employees are involved in the process of transporting four-legged passengers.
The four-legged ungulates are considered so messy and stinky that they're synonymous with slovenliness: Eat too much and you're pigging out.
It seems that as long as humans embrace animals as four-legged friends, those bonds will continue past the pet's expiration date.
Just like humans, airplane passengers of the four-legged variety must also contend with the risk of respiratory infections, dehydration and sleep deprivation.
Pistorius is not the first athlete to have challenge mans' four-legged friends.
Far from protecting it, studies show that these four-legged, 50-tonne concrete monsters, piled upon one another along the beaches, actually hasten erosion.
It's also working on Cheetah, a four-legged bot that the company says will run at 20mph when it appears in late 2012.
So most residents are fine with a four-legged feline running the show.
Of course, I probably spent too much time worrying about four-legged bears while the two-legged variety back on Wall Street continue to steal my lunch.
The very early four-legged land vertebrates, such as Acanthostega and Ichthyostega, that dragged themselves from the muddy waters on to land had five, six, seven, even eight fingers.
Its new four-legged creation is Cheetah, which can run at 18 miles an hour, far faster than the 13.1 miles per hour record set by MIT in 1989.
FORBES: Meet Cheetah, Boston Dynamics' Terrifyingly Fast Running Robot (Video)
New four-legged clients are adding to the brand board's workload.
In YouTube videos that have racked up 18 million views, the robotics firm sets its four-legged, 235-pound, deer-size automaton climbing over rocks, slipping on ice and stumbling through mud.
They were of dog owners, mostly the working-class poor in heavily black neighborhoods like the now famous Ninth Ward, who refused to evacuate without their four-legged loved ones - cats too.
Vogue Australia has featured Oscar-winning actresses, princesses and supermodels on its front covers, but now for the first time in the magazine's 53-year history it will be a four-legged beauty looking out from the publication's most important page.
Boston Dynamics rose to fame with its four-legged cargo robot Big Dog, (also captured in a YouTube sensation here) which shows an uncannily life-like ability to walk over terrain and recover its footing even when it slips or is kicked.
FORBES: Meet Cheetah, Boston Dynamics' Terrifyingly Fast Running Robot (Video)
"I looked at it as a four-legged stool with one leg very deep in the ocean, " recalls Fluxman, a tanned, toned South African who first came aboard as chief financial officer and chief operating officer, stepping up to chief executive officer six years ago.
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