ETF GUIDE is the financial Advisor and Investment Guide for Exchange Traded Fund based site which provide the information about the Exchange Traded Fund.
Exchange-traded funds (ETFs) are an emerging class of low-cost index funds that trade like stocks. In the U.S., ETFs can be found on the American Stock Exchange, the New York Stock Exchange, or the NASDAQ.
This site also give the information about the many question like How to buy and sell ETFs?