3,383 karma · joined February 23, 2007
Twitter had almost three million monthly users as of June,
2. Astronomy (I have a small telescope)
3. Birdwatching
Consider some YC companies that are still fine-tuning their product. They've been reviewed by the likes of pg and co and had the benefit of their advice for 3 months as well as the benefit of experience from the large pool of YC alumni. But even they need to fine tune based on what the larger market thinks.
In fact I took care to say that Amazon stocks several million titles - they might not sell a copy of every one of those every month.
So, it is 12% of those 130K titles, not 12% of all book sales on AMZN. I am not sure how many titles Amazon sells overall but it's probably much greater than 130K which means that the Kindle's share is lower.
Just wanted to point out that the post's title might not be entirely accurate.
(Update: it looks like Amazon stocks several million book titles)
The reason I use YUI is that I suck at CSS, and, rather than spending a disproportionate amount of time figuring out floats and breaks and browser incompatibilities and whatnot, I can get going quickly.