Have an account? Sign In The Sandwich Video team tried Slack. Turns out it really did change the way they communicate. A love letter from Sandwich Video: Slack is a platform for team communication: everything in one place, instantly searchable, available wherever you go. Cancel Slack is free to use for as long as you want and with an unlimited number of people. Slack is free to use for as long as you want and with an unlimited number of people. After you sign up, we'll send you an e-mail with a link to create your team. Slack is free to use for as long as you want and with an unlimited number of people. Slack is free to use for as long as you want and with an unlimited number of people. Learn what Slack can do for you Screenshots, feature descriptions, and more Tony Conrad , Founder, About.me See what else people are sayi...