A MSNBC & Markmonitor article covers how extensive the practice of using the ICANN 5 day grace period for “tasting” before buying domains has become.  (Kiting is repeated tasting where the domain is never fully registered  (i.e. paid for) instead the 5 day grace period is used over and over again

According to the article 98% of new .com’s registered at the end of 2006 were using domain tasting or domain kiting