I have always thought that Google generally siphons data from the product and once they have enough of the data that they need then the project they shut it down.
>* I have always thought that Google generally siphons data from the product and once they have enough of the data that they need then the project they shut it down. *
Or if the tool competes with another. I think Reader was killed mainly because it competed with Google Plus.
In general, I've noticed many sites now lack RSS feeds - probably because it's better to have users perpetually engaged than give a definitive list of articles that can be read in 1 go.