It's targeted in one way, and in one way only: via mention. Sure, the domain name includes the word "Instagram." Similarly, it's in the page's title. However,

It's targeted in one way, and in one way only: via mention. Sure, the domain name includes the word "Instagram." Similarly, it's in the page's title. However, the connection is surprisingly superficial. As you point out, she offers a comically generic application and then emphasizes that, you know, working at Instagram would be, like, cool. I find that a little cynical.