Default landing tabs are gone. Yes, gone. After we all worked so diligently to get them set up. Instead, visitors reaching your page via Facebook search or username will be sent directly to your Timeline. You can, however, still send visitors via link to a specific tab.
So you could use this link to send visitors to a specific tab from your website, email newsletter, LinkedIn, etc. When printing your Facebook address, it is unlikely that people will type in “…ArgyleOctopus/app_202117336479462” so you would still keep with your username. (Although, you could use a QR Code to make the link easily accessible by mobile device.)