1. Facebook has changed the lead generation dynamic. Instead of a very short concise form on a landing page, lead generation via Facebook is a multiple touch relationship that takes longer to cultivate, but expands your reach. Additionally, Facebook has helped traditional brand advertisers and ecommerce advertisers realize a value in lead generation.
2. This multistep process to lead generation helps advertisers avoid being creepy. Taking time before asking for all of the info they want allows for engagement to build.
3. Facebook Registration, a new plugin, enables users to use their Facebook info to auto-populate lead forms on other sites.