Glose for Mobile - A social reader for ebooks, now on Android
GoodBooks.io - Largest curated collection of 8,500+ book recommendations.
Ritual Essential for Men - The scientifically-developed multivitamin for men
BookAuthority - BookAuthority collects the most recommended books on business, technology and science - as featured on CNN, Inc and Forbes
Project Gutenberg - Project Gutenberg offers free ebooks to download.
Goodreads - See what your friends are reading.