Logic (from the Greek logos, which has a variety of meanings including word, thought, idea, argument, account, reason or principle) is the study of reasoning, or the study of the principles and criteria of valid inference and demonstration.
Go to Google Trends (see resources below). Google Trends is a great way to find most popular searched words on Google. It lists the top 100 searched words and is frequently updated throughout the day. You can click on any of the search words and find out more information about it. Go to Yahoo Buzz.
Most Popular eBay Searches (US) How It Works: Our eBay keywords tool reveals top eBay searches/keywords in most any category (much like the former eBay Pulse pages). These are eBay search terms most frequently used by other shoppers, based upon the categories, or keywords, you select below. (or) Keywords: