Comment by k_sh

Follow-through.

Google is infamous for this sequence of events, time and time again:

1. We made this great new thing that's gonna change the way you verb! Hope you enjoy it!

2. (1-5 years of product stagnation)

3. Hey, thanks for the all the good times. We're closing the thing at the end of the year.

Amazon (for all their warts) is much more adept at keeping customer experience in their crosshairs.