These are a few sites I thought were interesting from July 2nd through July 3rd:

• How To Build A Web App in Four Days For $10,000 (Say Hello To Matt) –
• Oil climbs peak, economies plumb depressions and the future will not imitate the past | GreenTech Pastures | ZDNet.com – Gloomy headline, but interesting graf: following peak oil, natural gas and coal will also peak, leading to a total energy peak around 2025, the authors argue
• Deadspin: Someone Hates You Online. Try Not To Be Offended. – When you hear old-school folks like Bob Costas talk about how “meaner” everyone has gotten online, it’s clear they’re missing the point. It’s not that people have suddenly become cruel toward you; it’s just that you can hear them now.
• How to Import Your Twitter Contacts to Friend Feed « // Internet Duct Tape – “duct tape” is right — this is a Windows program that has a text-only interface
• Crystal Springs Dam During Construction. – The dam a few miles above my house, built in 1890