Vizio has redesigned its WatchFree streaming service, giving it a fresh look and adding a plus to the end of its services name. (Because streaming services that don't include the symbol might not count.Today's update to WatchFree will include new navigation features that improve search and discover free content. Additionally, recommendations tailored to individual interests are made. It also offers hundreds of channels free of charge across a wide range of entertainment genres, including comedy and sports.Vizio's WatchFree Plus program guide now features a featured category that includes seasonal content, themed collection, and hubs for limited time programming. Vizio-exclusive channels include Vizio Investigations and Fork & Flight, which are Vizio's crime channel, as well as Vizio Investigations. Vizios voice-enabled remotes can navigate the program guide in this way. Or, the guide can also be voice-navigated using SmartCast Mobile on iOS and Android.Vizio claims that its streaming service, which is free and supported by ads, is the most popular content source on SmartCast TVs. The company stated that data about viewing habits, which is vital to its advertising business, was crucial to the WatchFree Plus redesign. Vizios can opt-out of data collection regarding watch habits and delete viewing data by users through the reset or admin menu in their system settings. You can find detailed instructions on how to locate the setting here.WatchFree+ gives viewers access to all the channels and programming that are available on cable. However, it is free and offers a personalized streaming experience that allows users to personalize their entertainment experience. Katherine Pond, vice president for business development at Vizio said in a statement.