The Nielsen Norman Group has just released a new report called
Enterprise 2.0: Social Software on Intranets
This report collects best practices for how to design social features for intranets, including:
Blogs
Microblogging (intranet equivalents of Twitter)
News feeds (RSS)
Wikis
Social networks (intranet equivalents of Facebook)
Tagging and social bookmarking
The report also covers:
integration of these features with the overall intranet
adapting Web 2.0 [...]
SunSpace is in production for 100 days and we experienced dramatic growth
We now have over 20’000 registered users (which is close to 2/3 of all employees) and around 2’500 and 3’000 active users per day.
We had to tune our platform quite a bit to handle this load and I guess we now have one of [...]