O’Reilly has released iPhone: The Missing Manual PDF, a 304-page book for US$19.99 by David Pogue. “iPhone: The Missing Manual is an entertaining, lavishly illustrated guide to the tips, shortcuts, and workarounds that will turn you, too, into an iPhone addict. Full of humor, tricks, and surprises, this book teaches readers how to extend iPhone’s usefulness by exploiting its links to the Web as well as its connection to Macs or PCs; how to save money using Internet-based messages instead of phone calls; and how to fill the iPhone with TV shows and DVDs for free.”