Social media can be an excellent way to keep up to date. What platform you favour may depend on your discipline area.
Social media includes:
Alternative metrics provide data on online activity including social media attention such as views, downloads and shares. This provides another entry point into knowing who is noticing research of interest to you. In Scopus, PlumX metrics provides this data. You can also use the Altmetric Explorer database.
Many sites for academics and scholars provide 'following' options. You can follow top authors or authors you know by signing up with these sites. Go to the Researcher IDs and Profiles guide to find out more.
Some reference managers also enable you to follow researchers and topics in your field. For example: