links for 2011-02-08

CK12.ORG – FlexBooks customizable, standards-aligned, free digital textbooks for K-12 (tags: ebooks textbooks flexbooks curriculum opensource science math ck12) Facebook Privacy: 10 Settings Every User Needs to Know Mashable | The Social Media Guide So, what do you do when you’ve got over 170 options to choose from? You focus on the most important ones.Continue reading “links for 2011-02-08”