Targeting on Facebook, Clear Bit and Meta Data, or Both?

Heer and some of the a b m venders have come along with ways to target on facebook and istogram, which i have not tested in a ton of detail. There's around a hundred thousand people with job title optician of some degree. And a lot of them are probably employees with enlarged national accounts. So we typically wo uses the same things that we use in lincton company size a named account list,. for some a a job title functioning with then some exclusions on job titles or job functions.