Dave from SoundCloud provides 7 tips for using Twitter effectively: 1) Use Twitter regularly and consistently, tweeting across time zones. 2) Know your purpose on Twitter as a fan, artist, or influencer. 3) Engage your audience with replies, questions, and calls to action. 4) Use rich content like photos, videos, and links. 5) Craft tweets that others will want to retweet by keeping them short and interesting. 6) Leverage the right tools to maximize outreach. Dave invites discussion on optimizing Twitter use.