bottom line companies like portillo's are turning to ghost kitchens. they're kind of virtual kitchens, there's no front but without the need to staff a dining room. and investors are taking notice of this trend. kate rogers digging into the story for us >> reporter: major restaurant chains are leaning into the ghost and virtual kitchen space to optimize efficiencies and speed up service inspire brands announced the launch of its alliance kitchen incorporating food from its portfolio including arby's and buffalo wild wigs. it's also a place to test new technology like flippy wings in a real restaurant environment. reducing labor needs by 54%, and equipment costs by nearly 50% compared to five stand-alone restaurants. >> we've set up a model that because our entire kitchen is conjoined, we have essentially shared workflow, work process. >> vc firms have piled in. nearly $3 billion was invested into the category globally last year wendy's is also betting on this space as digital orders surge. the company teamed up with soft bank-backed reef technology to

i want to also thank suyapa portillo, speaking to us from claremont, california.oming up, nato foreign mininisters meet in latvia as tension mounts between russia and ukraine. back in 30 seconds. [♪♪] [music break] amy: "diamonds," by rihanna, the singer declared a national hero in barbados in the ceremony sunday night that marked barbados' new status as the newest nation in the world, after removing queen elizabeth as its head of state. this is democracy now!, democracynow.org. secretary of state antony blinken has arrived in latvia for a meeting of nato foreign secretaries. the meeting comes as tension continues to mount between russia and ukraine. russia reportedly has amassed 100,000 troops on the ukraine border. fighting has also recently intensified in eastern ukraine between moscow-backed separatists and government forces. nato secretary general jens stoltenberg spoke friday ahead of the meeting. >> we will address russia's continuing military buildup in and around ukraine. this is the second time this year that russia has amassed a large concentration of f

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