X.com was an online financial services and e-commerce company founded in November 1999 by Elon Musk. It was one of the first online banks, and it also offered a variety of other financial services, such as bill payment, money transfers, and online trading. In 2000, X.com merged with Confinity, which was a company that specialized in online payments. The merged company was renamed PayPal, and it is now one of the most popular online payment processors in the world.

Here are some of the key features of X.com:

It was one of the first online banks.
It offered a variety of financial services, such as bill payment, money transfers, and online trading.
It was founded by Elon Musk.
It merged with Confinity in 2000 to form PayPal.
X.com is no longer in existence, but it played an important role in the development of online banking and payments. It was one of the first companies to offer these services online, and it helped to pave the way for the growth of the online financial services industry.

In recent days, there has been some speculation that Elon Musk may revive the X.com brand. He has said that he is interested in creating a new social media platform, and he has hinted that it could be called X.com. However, it is unclear if this is actually going to happen.

On July 22, 2023, Musk revealed the rebranding of the widely recognized social networking service Twitter as X and the introduction of a social media platform called X.com, subsequently making X.com redirect to Twitter.com. The blue bird has been rebranded with X logo site-wide. Elon Musk's Twitter account, as well as the official @Twitter account's profile picture among other official Twitter-owned accounts were updated to the new X logo. Specific details about the rebranding remain undisclosed.