Lifehacker is one of the world top blogs maintained by whole bunch of editors and contributors. Its’ focus are advices on how to be more productive and software for same purpose. Like lot of high-profile blogs it sticks to format of frequent small ("bite-sized") posts.
Blog is very interactive with frequent polls, showcases from user contributions, etc. Interactivity is somewhat spoiled by terrible comment system. I had to register (which is hindrance enough) when I wanted to comment on article once. Some time after I forgot my password and instead of remembering it went with "reset password"… And never got new one in my email, effectively locking myself out of my account.
Reading experience may be a little overwhelming (amount of posts), but still Lifehacker is one of the most prominent and content- filled blogs.
RSS (main) http://lifehacker.com/index.xml
RSS (other feeds) http://lifehacker.com/about/#5