Those "with long memories remember the last time Google assembled a giant library that promised to rescue orphaned content for future generations. And the tattered remnants of that online archive are a cautionary tale in what happens when Google simply loses interest".It is a useful read, not so much for librarians who already understand the differences, but for librarians to point those that question their existence or funding.
The author says it best at the end, when he says:
Its a reminder that Google is an advertising company — not a modern-day Library of Alexandria.Libraries have value and important roles to play in our society. Reminders like this are useful.