LinkedIn's new San Francisco office has a gym for employees to fight Brazilian jiu-jitsu matches (LNKD)

Instagram Embed:://instagram.com/p/BDpBg_oDA_4/embed/Width: 658px Some internet companies have fancy cafeterias and foosball tables. Some have slides, video game arcades, and ice cream parlors. At LinkedIn's new San Francisco office tower, one of the trademark perks is of a decidedly more physical nature.  The company's in-house gym at 222 Second Street in the city's Soma neighborhood comes outfitted with blue company-themed mats on the floor. And as the Instagram photo above shows, those ma...