In the digital age, people have new ways of networking with each other. Here are some popular social media sites: Facebook To join, you create a profile. Then you can upload photos, selfies, videos, etc. It's a good way of keeping in contact with your friends and family. You can also sell goods on Facebook. WhatsApp allows individuals and groups to share instantly and make free calls. Twitter join Twitter and then you can tweet or post a tweet, which is like a short biog. You can also use Twitter to promote your business