"how is social media influencing web applications and development? "

Social media plays a vital role in today's era, it tends to influence the web applications and their development in several ways possible, such as:

Most of the business organizations tend to have a presence on a social media platform and that is considered to be a great way of letting individuals know about your commodities, since most of the people have access to internet.  This is considered one of the reasons that most of the websites created have icons of  different social media platforms that the organization has presence on. The tendency to use icons in order to project which social platform an organization is on is turning out to be more vital for many websites today.