Which of these billion-dollar companies helps office workers communicate?

Here is the question :

WHICH OF THESE BILLION-DOLLAR COMPANIES HELPS OFFICE WORKERS COMMUNICATE?

Here is the option for the question :

• Lyft
• DriveTime
• Instacart
• Slack

The Answer:

And, the answer for the the question is :

Explanation:

[STC0014421]. Initially, Stewart Butterfield established a messaging network for online gaming. Butterfield, who was also the founder of the photo-sharing application Flickr, created Flickr. Slack, on the other hand, has become the go-to chat and communication platform for businesses all over the world after the firm made a strategic shift down the road.