If about 60 or 70% of the people use Google and 30-40% use Yahoo
(if I am not mistaken)
... and if Google shows monthly search of xxxx searches, that doesn't mean you'll get near that number of visits monthly if you're ranked first, but you should also count in the 30-40% share of visitors who come from yahoo, right? Because Google doesn't count in Yahoo searches.
For example if for certain keyword Google shows average 1000 monthly searches. (searched on GOOGLE alone) and you get 1st position, you can expect to get near 1000 organic traffic from google + organic traffic from Yahoo?
Am I mistaken here or?