While many of them are designed purely to make you waste more time on your phone or computer, there are some that are genuinely very practical.One of the best things about Messenger being split from the main Facebook app is that you can use it without actually having an active Facebook account.Facebook added video to its business tool Workplace.
Investors, however, might not be eager to wait that long.
In June, rumors surfaced that Amazon wanted to buy the company for as much billion.
Meanwhile, Microsoft launched a new chat app called Teams that will eventually replace Skype for Business.
"Most companies do not have a corporate collaboration solution in place," he says.
"We'll see a lot more governance and integration into the workplace."But so far there's no "killer app" to drive adoption of conversational interfaces.
IDC analyst Wayne Kurtzman says this is just the beginning.
Right now, many teams within companies use tools like Slack for free, often without official approval from their corporate IT departments.
Underwood says that within minutes of launching the Slack app directory in 2015, developers told her they already had customers. Video conferencing company Twine Labs, which Slack invested in, is also building apps for Microsoft Teams, Facebook Workplace, and Amazon Chime, says CEO Anthony Claudia.
Microsoft, meanwhile, is taking a slightly different approach.
But this year, investors and big tech companies alike treated workplace messaging as the next big thing.
Slack announced a 0 million investment in September from Japanese tech company Soft Bank, bringing its total funding to 0 million and boosting its valuation from .8 billion to .1.