links for 2007-09-13

• 7 Reasons Why Niche Social Media Outlets are Better Than Digg
  (tags: digg media social)
• Pixel Groovy
  (tags: design digg social webdesign photoshop tutorial howto graphics css tutorials aggregator community)
• Dumb Little Man
  (tags: blog blogging blogs productivity tips howto lifehack)
• Mango Beta Launched!
  (tags: language learn tutorials)