Sudden bleeding in the brain can cause a hemorrhagic stroke. The bleeding causes swelling of the brain and increased pressure in the skull. The swelling and pressure damage brain cells and tissues.
That means 651 million accounts â about four times the number of active Twitter users â have been registered and then been abandoned by their owners. Those 651 million accounts are Twitter's dark pool of users: the people who signed up and didn't like it. Their accounts continue to exist, unused, according to Twopcharts. We asked Twitter to tell us its total number of registered users, but the company declined to comment. Here's Twopcharts' data as of Nov. 5:
With over 1 billion users worldwide, Facebook tends to appeal to adults, with 47% of its users over the age of 35. Twitter has over 271 million active users who tend to be younger, with 35% between the ages of 18 and 29. Of Instagramâs 200 million active users, 53% are between the ages of 18 and 29.