links for 2009-08-04

• Presentation Zen: 11 ways to use images poorly in slides
  (tags: presentations powerpoint images)
• Google Quietly Quadruples Its Newspaper Archives
  (tags: google)
• Five Best PDF Readers – Pdf Reader – Lifehacker
  Acrobat isn't the only PDF reader in town–check out these alternatives. (I like Preview for the Mac best.)
  (tags: pdf software mac windows)
• Tweet Safer: Twitter Now Blocks Malicious Links
  (tags: twitter security)
• Top Facebook etiquette tips | Business Center | Working Mac | Macworld
  (tags: facebook social_media)
• 7 Things You Should Know About Microblogging | EDUCAUSE
  (tags: twitter blogging)

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