By Ahmad Nazar Even though Twitter has a large and highly engaged collection of users, it isn't as popular with advertisers as it could be. This is largely because Twitter doesn't collect a great deal of personal information from its users. It makes it hard for advertisers to do the kind of targeted ads that have become so popular in recent years. Unfortunately, targeting ads on Twitter can be a major challenge. Twitter doesn't ask its users for a great deal of personal information, and there's...