Smith Micro Software today announced Internet Cleanup 4.0 for Macintosh, the latest version of it’s software that protects users’ privacy and enhances their Internet experience. Internet Cleanup blocks users private information from being transmitted over the Internet without their approval, helps manage Instant Messenger chat logs, selectively blocks Flash ads, and gives users greater control over their Internet experience. A complete list of new features is available from the Web site. Internet Cleanup 4.0 is priced at US$29.99 ($14.99 upgrade), and requires Mac OS X 10.4 or later. A free trial is also available.