1. Community
2. How To
3. Personal Space

Being able to hide it from the sidebar would be useful, if I never intend to use it, it shouldn't need to sit in my sidebar all the time.

1. Community
2. Product Feedback
3. Two-way calendar synchronization

I find it to be a weird omission from their feature set. If you're trying to provide a calendar function, then allowing at least a one-way read only sync to external calendar apps should be an esse...