I had read about label feeds somewhere a while ago but ignored the idea thinking that I won't need label feeds. Little did I realize that label feeds is a very good feature for a blog like mine where I got multiple categories that are fundamentally different.
So finally I implemented label feeds after reading about it from Phydeaux3's blog. Now, readers who are not interested in the main feed may subscribe to an individual category's feed like blogger hacks or book reviews etc.
Peek-a-boo for sidebar
I have noticed some requests for peek-a-boo in sidebars, in the Blogger help group. If you want Peek-a-boo type drop-downs for your sidebar, please visit Blog University to learn how to add them.