I teach online reputation issues. Working on the digital influence of a major brand is a vast subject. What are the main objectives sought by these brands? Between monitoring, advice, identification of opportunities, and crisis management. The objectives logically relate to business and reputation, which are of course intimately linked.
To act in favor of these Lebanon Phone Number List objectives, several levers can be mobilized and complimentary. Beyond those you mention in your question, let's not neglect media relations, consumer service, product, or user experience, which also contribute to online influence and reputation. The "digital" is no longer, for a long time now, a separate world but its apprehension.

Requires specific expertise and methods. What monitoring tools do you use? And how do you sort through the many messages received, in particular, to identify those that may have a stronger impact, or that are part of a more global trend? We use the main tools on the market (Talkwalker & co) without ever neglecting "by hand" approaches.