Ask HN: When has X startup in "X is like Y for Z" done better than Y?

Twitter is like AIM away messages for people who aren't AFK.

2048 is like 1024 for cool people.

Sorry, its not a real start up. But imagine if it had advertisements.

Google is like a file organizer for the web.

I guess I was wondering where the startups themselves or press coverage used the analogy.

And wasn't Yahoo's category system like a file organizer for the web? Google is more like sifting through co-workers papers to see what sources they use most on a given topic.

Google's mission statement is to "organize the world's information." So maybe Google is like a file organizer for the world?

Facebook is like Friendster for College