According to the Wall Street Journal article and Dennis Forbes, yes.
Virtually all English words with four letters are claimed; those that aren’t are usually contractions, and Web rules don’t allow apostrophes. All of the 1,000 most common English words have been snatched up.
This comes as no surprise to many of us who have recently tried to register a domain name. Unless you have a really unique company name, it is difficult to find something that’s available. So what’s the solution?
Most people now search for Web sites using a descriptive word or phrase, or else are introduced to a site by a friend or colleague who emails the URL. So, domains don’t need to be short and snappy the way they had to be in the earliest days of the Web.
Register something that’s descriptive, even if it’s not the shortest domain out there. Don’t try to stuff keywords into your domain name; it won’t have a drastic effect on your search engine ranking but it will have a negative effect on your website’s image.