This document provides tips for bloggers to grow their email list and increase engagement through email subscriptions and RSS feeds. It discusses the differences between email and RSS subscriptions and why email is still a powerful option. It then gives 10 power tips for building a list, such as making the subscription form visible, enabling social media cross-promotion, adding incentives, and using compelling copywriting. The document also covers improving engagement, growing lists through offline events, diversifying with multiple lists, and avoiding spam. The overall message is that a strong email list is important for content marketers and bloggers.