Because the world is full of creeps and scam artists, the Internet is not always a safe place. Two new, free services now help you decide whether a website is safe to visit, or whether it might infect your computer, steal your identity and corrupt your data. Scandoo is usable either through their search page or as a toolbar download. McAffee’s SiteAdvisor is only available as a downloaded plug-in. For more details, read the review in PC Magazine.