Twitter has officially announced Blue for Business, a subscription geared toward companies that want to “verify and distinguish themselves on Twitter,” as its press release says. The service will let companies link their main accounts with those of their employees to make it easier to show that someone actually does work for them.
The company is testing the service with “a select group of businesses,” including its own employees. Esther Crawford, director of product management at Twitter, has a little bird badge next to her blue checkmark that verifies her as an employee at the company, as you can see in this tweet of her announcing Blue for Business. Craft Ventures, a venture capital firm, also appears to have some employees marked as…