Social Media and investing

Some people might not like it but the age of social media content shifting the markets is well and truly here. We’ve had lots of examples of it recently - Elon’s quick fire tweets, the Reddit crowd and the influence of of some online cult personalities etc.
When your learning about investing you read about all the long terms cycles and the historic norms over the decades, but this is something relatively new. Over the years this type of collective info sharing and power has been kept to the small (but wealthy) elite. Has anybody got any thoughts on where all this is going to take the world of investing in general

Hello the year 2000 X 100