One of the best ways for the on-the-go investor to get Twitter updates is via their mobile device with instant notifications.
Twitter users can opt to have mobile notifications sent to their mobile device every time a person they select sends a tweet.
(Read more:Twitter 101: Where should investors start?)
For example, if a user wanted to know every time Carl Icahn sent a tweet, all they would have to do is adjust their Twitter settings to make a mobile message, much like a text, appear on their smartphone when he tweeted.
(Read more: Follow CNBC's Twitter IPO overage)