Yeah, good point :-)
There was Bloglines. It is still there, only difference being - it's a ghost town now.
There used to be FeedDemon's own sync and now FeedDemon is jumping into the pyre with Reader.
It's been long and I am out of example. Maybe others will bring some.
But thing in this way - "because when the company launched Google Reader in 2005, its free price tag undercut and then virtually destroyed the market for competitive products."[1]
Thing this way - what about an startup that wants to enter hosted mail(web mail too) and they won't because of GMail. The same can be said about IM(for personal use; not those dev chat apps), Forum(Groups?), blah. And Google has good reason to kill them too.
[1]http://www.loopinsight.com/2013/03/19/this-is-what-pisses-me...
People keep saying something like this without providing real examples. I can believe Reader's existence might have depressed the market for new feed readers (though there have long been competitors around--lots of open source and built in ones, and a few for-pay ones too, like Feedly), but I haven't been able to personally think of any feed readers that were crushed by Reader coming out.
I may just have forgotten them, though (2005 was a long time ago). Anyone have good examples?