What do you like best?
* It's simplicity
* Flexibility...you can add stuff to multiple cards, various authors, all some authors to contribute and others to verify
* Integrations—such as Slack.
* it keeps all of us with the same messaging, the same procedures
* There's none of that "Oh, that email was sent before I got here"—it's in Guru!
What do you dislike?
It's not the product, but it takes awhile to develop Guru as a habit. For instance, you may still be tempted to Slack a teammate, check another resource...etc. So you've got to 1) develop the habit, 2) if the info is NOT in Guru, then you need to add it, and 3) it may be tough getting everyone to consistently use it.
Recommendations to others considering the product
Definitely compare and contrast Guru with other vendors. You'd be doing yourself a disservice otherwise.
However, you will find that they're at the top of their game. They do terrific work, are not the cheapest, but that enables them to be thought leaders in their space and reinvest into the product for all of us. That, most certainly, is a good thing.
What business problems are you solving with the product? What benefits have you realized?
Getting and keeping everyone on the same page. Decisions, procedures, and other information change on a daily/weekly basis. If that's only shared in meetings or over cubes (assuming an office), then that's a major detriment.
It sounds underrated because it's A) not product, B) not sales, and C) not "critical". However, this is all about ensuring consistent, stable, relevant knowledge sharing so that those teams and functions can scale wicked fast.