Slack is a popular messaging and communication platform used for work, study, groups, and communities. According to Techjury, more than 10 million people used Slack every day in 2022, and 43% of Fortune 100 businesses are paying for Slack subscriptions. On July 21, 2021, Salesforce completed its purchase of Slack for $27.7 billion and announced plans to make Slack an operating unit under Salesforce.