So what's the plan with handling impersonators? Usernames are only unique per server, right? I've already seen people pretending to be, for example, Twitter.
Development manager at a small software company.
My concern is more like what about people grabbing something like @[email protected] or @[email protected] and make an effort to have their branding look like the legit @[email protected]. Lots of potential for abuse and destruction there.