You'll work with some amazing and intelligent people in the lower ranks. But it's a difficult place to advance in. There's really no structure for it. No reviews. No career path. Less then average pay. And the management seems to view the employees more as replaceable then valued assets. And as they expand they are constantly shifting who does what, who gets paid what, who stays and who goes.
If you're just getting your start in digital marketing get a job here. Learn everything you can. And leave.
If you have the skills already, keep looking.