You're on the right track with this: >build a directory of products and services and the proceed to attract users/reviewers Think about the questions users as

You're on the right track with this: >build a directory of products and services and the proceed to attract users/reviewers Think about the questions users ask and build content to suit their needs. Cast a wide net while keeping quality good. If the businesses in question are tech savvy they may review their referral traffic.