Slack clarifies IBM was already our largest customer

IBM chooses another Microsoft competitor for its employees; Slack instead of Teams

Slack CEO Stewart Butterfield said that working with IBM helped the company refine its product for the large customer.

This is obviously a very good boost for Slack, but it still will not be enough to compete with Microsoft Teams. Was IBM not that a Slack client?

After the message to Business Insider that all IBM employees transferred to Slack, the stock messenger soared to 15%. The spike in Slack's share price came as a result of Business Insider claiming, falsely as it turns out, that the company had newly signed IBM as a customer. A few years ago, IBM and Apple made headlines as the former opted to shift 25% of its 537,000 active laptops from PCs to Macs.

Bhatia writes that once IBM fully deploy Slack across the company, the income Slack from the paid subscription will be about $30 million annually or just over 4% of its total annual income.

Slack did not explicitly confirm or deny that it had reached a new deal but said in a regulatory filing that IBM had been and continued to be its largest customer. But people are talking about Slack all over Twitter, so let me catch us both up.

In layman terms, Slack says that IBM is already a customer and the decision to expand Slack's services to all IBM's employees won't automatically translate into new licenses for all 350,000 employees.

Additionally, Slack has previously claimed it is not anxious about Microsoft's reach with Office 365 and it even mocked Microsoft previous year.

IBM's use of Slack began in 2014, with a group of 68 engineers and grew from there. The messaging platform's stock fell as much as 11% in November after Microsoft announced that its rival messaging service, Teams, has 20 million daily active users. They were worth 15.4% more than yesterday, and then, suddenly, this attractive afternoon, Slack's stock trading stopped, pending news.



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