How do we get there? Assuming Hulu grows a fairly conservative 10% month-to-month in its first year -- it grew 20% from April to May, its first two full months of availability -- Hulu will have served 1.8 billon TV and movie streams by next March. We're assuming each stream results in at least one ad exposure, on average, but we'll allow for the possibility each stream results in two . One exposur