Jan 29 2019 02:21 AM
Jan 29 2019 01:16 PM
No, not in the slightest! While it might not get as much attention as some other services in Office 365, Yammer provides essential functionality and has its place, alongside everything else. Have a browse through some of the resources here and I think you'll understand better how relevant Yammer is:
Also, make sure to check out the blog, which has plenty of updates.