Of all the things Google has killed, I used Reader most of all.
Reader feels now like something from a mythical Golden Age. Free, but with minimal and non-intrusive advertising -- particularly when used with Reeder.app and Readability. Standards based (OPML, RSS/Atom), and so open in a way that few things are in our locked-in locked-down era.
So Reader's end was expected -- and this time Google did things well. Unlike when they killed the 'sharebro' community, Google telegraphed this one. Even now we've got three months to switch -- much longer than I expected.
It will be interesting to see what our options will be; the end of Reader will open up a new ecosystem. An ecosystem that will, I hope, include services we buy. There is at least one upside -- I'm losing one of my big Google dependencies. It's getting easier for me to swich away from Google.
Incidentally, I bet Blogger will die in 2014.