All purposes:
http://craigslist.org Trading:
http://traders-library.com
http://seekingalpha.com
http://www.moneydj.com/
bloomberg, MarketWatch
Commodity: http://www.miningaustralia.com.au/home
Taiwan Savings Account Rates:
http://interest.ec9.info/index.html
Language:
http://www.dictionary.com
http://www.urbandictionary.com
http://www.cdict.net
Travel in NY Metro Area:
http://hopstop.com
Premier Technology News site:
http://techcrunch.com
Food:
http://www.yelp.com
Note: If you're a FOB, don't dismiss Asian restaurants with bad ratings just yet, and be skeptical about the 4 or 5-stars.
Shopping, deals:
http://www.gobunnybuy.com
http://www.puddingbuy.com
http://slickdeals.net
http://www.groupn.com
Start-Up:
http://www.paulgraham.com/wealth.html
http://blog.amirkhella.com/
Excel: