Cannot find where to ask authors questions while doing their courses, if you can. Also don't explain how to use it on your mobile In both cases you should be able to navigate to these places without thought It should be intuitive on how to do these tasks from the website is set up. Lyndia.com needs to take course on this before presenting courses recommendation: Read: Don't make me think, revisited: A common sense approach to mobile and Web usability. You can get on Kindle books from Amazon. This help increased your sales and not have so many grumpy people like me. Thanks hope this helps. Don't be arrogant, instead increase your company business. hope you return the favor