Market my Slack app

I need help marketing on Linkedin and maybe google & twitter.

I have built a Slack app named "Shifter" to help organizations simplify communication on Slack.

Shifter lets organization manage their on-call rotation directly in Slack. It assigns a user to an easy to remember user group according to a custom rotating schedule. The users than gets a notification whenever the user group is @mentioned in the chat.

See the webpage here: shifter.jangaapps.com