His formula:
Part 1 - https://adwords.google.com/select/KeywordToolExternal
Part 2 - Find large numbers.
Part 3 - Market to forums.
Part 4 - ????????
Part 5 - Profit.
Part 1 - https://adwords.google.com/select/KeywordToolExternal
Part 2 - Find large numbers.
Part 3 - Market to forums.
Part 4 - ????????
Part 5 - Profit.