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But cut through the crazy people, and it can be an incredibly useful tool, especially if you're involved in the world of finance.
Some of the biggest players in Europe's financial sector often take to Twitter to express their opinions, discuss markets, and share charts, graphs, and interesting articles. Some even have so much influence that they can move markets with a single tweet.
It can be hard to filter out the rubbish, and find those must follow tweeters, so Business Insider has compiled a list of the best economists, traders, strategists, hedge funders, and fintech gurus in Europe for you to follow on Twitter.
Check it out below.