Facebook COO Sheryl Sandberg did a lightning round with Oprah, which was basically the greatest thing ever. Facebook COO Sheryl Sandberg:  Books on paper or books on a Kindle? Oprah:  “iPad.” (read the article here) ————- I have written before about how much I like – really like! – my iPad.  In the “reading books”… Read More The iPad Goes Mainstream – Even Libraries are Becoming Fans, and Enthusiastic Users