* Their add platform is truly terrible. Ask anyone who deals in that area to compare it with Meta or Google's and they will laugh.
* They can't ship new products. Since 2008 they have increased the size of tweets from 140 characters to 280 characters, and that is the biggest change. Look how many things Facebook has tried in the same time. Some failed, but lots succeeded.
Also in the history of bad decisions, surely the decision to kill Vine is right up there? Occasionally people still find an old Vine video and share it. What could have been...
