Last weekend I received an email from a reader named Shayne who had experienced a problem with Google Keep notes randomly disappearing. Shayne’s research indicated that other people had the same problem. So if you’re someone who has run into glitches with Google Keep, here are some other task management tools that you might consider trying. Wunderlist is a task management service that will synch across all of the devices that you use. Creating task lists in Wunderlist is an intuitive process. Just…