Image: christopher mineses/mashable When Uber CEO Travis Kalanick announced his departure last month, thousands of Uber employees spent more than two and a half hours, on average, browsing Blind. The app is an exclusive network of forums only available to employees at just over 100 tech companies, prompting Silicon Valley types to gab and gossip. SEE ALSO: Blind: The hot app where all the best Silicon Valley gossip is read right now That community is now rapidly expanding. As of Monday, any member of a tech company can join Blind. They will have access to the newly created topics channels […]