Slack's New Emoji-Based Reactions: Way, Way More Than A "Like" Button

Responding to your coworkers with hundreds of teensy images is going to be entertaining—and maybe even useful.

If there's one factor that explains why people have an emotional bond with group-messaging phenom Slack that's unusual for an enterprise tool, it's the service's polish and playful sensibility. Slack feels like a consumer app, not gray and emotionless business software. So it's not the least bit surprising that Slack users have long clamored for something along the lines of Facebook's Like button or Twitter's Favorites: a way to instantly register approval for someone else's post.

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