1. You can type '@' and colleague's/group's name to tag a colleague or a group so that they get a notification and also an e-mail is triggered which improves employee engagement and collaboration. 

2. A hashtag allows you to start a conversation and categorize topics according to the keywords. This helps in increasing employee engagement. A hash tag helps to find the topics faster.

Searching, clicking or tapping on a hash tagged word shows you other shares or posts that include the same hashtag.

You can type '#' for a particular topic, for example you can type '#congratulations' for an employee who has completed a year with you organisation or '#welldone' for an employee for doing a great work etc.