1. from the horse's mouth, from the original or a trustworthy source. 2. hold one's horses, Informal. to be patient. 3. look a gift horse in the mouth, to be critical of a gift.
How old do you have to be on Facebook? According to Facebook's policies, you have to be at least 13 to have an account. If you lie about your age, your account will be shut down if you get caught, so it is best to â¦ adhere to the policies and wait until you are the age that is required.
Facebook - 1.2 Billion Users. Facebook's user base is dominated by 25+, but they still have 50+ million user under the age 25. Facebook is a great place to start social media marketing, because your audience will generally lie within one of their age demographics.