What if ... a block of writing were color shaded denoting that it had been read?

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When you open up a document there is a way to time how long a page is opened. Based on the number of characters or words or sentences in an article, using a simple algorithm, could determine if the page had been open long enough to load all of the ads but more importantly long enough open to have been read. Then there might be a way to color shade an article so the reader will know that it had been read or if it had not. The app that would be able to do this would have to be able to time the duration of the observer of the document. As they use a timed method with ads on YouTube by telling the user to wait 5 seconds before cancelling the ad. If the ad is allowed to finish it would have actually been running longer than is needed to give credit where credit is due as per each ad. Some ads do not give you the option to cancel the ad but make you wait until the ad finishes to the end before you can actually watch the YouTube video on that page. So, if there were an app or an algorithm to measure the time any page was open and if that time frame was long enough to allow the average 8th grader to read it fully and either like it or not, comment on it or not, and provide a color coding system that would produce a highlighted color over any given portion of the text to be a way of letting the reader know that they had time to read the article or not. This type of system would be one that would give feedback to the site's analysis app to determine the readability of it as well as the number of actual views it received. A simple message would pop up if you tried to like a page before it had been actually open long enough for the average Joe time to fully read it would say: in effect: "Sorry, you must wait 10 seconds before responding to this post or your response will not be recorded." Another aspect of this algorithm would be to let the reader know how many times the article had been shared either on Pinterest, Twitter or Facebook. To avoid multiple postings and sharing of the article to various suggested social media there would need to be a way of highlighting the buttons for sharing the article. For example, if 11 other people already shared the same article or discussion to Facebook and the app told you it would be best not to over share this at this time, then by not sharing it you may be actually doing them a favor. Too many shares or redundancies of shares or Tweets are observable. In the case of Tweeting by a single user, you are allowed to only Tweet an article one time. An app from Twitter will give the message to this effect: "You have already Tweeted this." so on and so forth.