Recently, the Shmoo Group discovered that Firefox is vulnerable to precisely the exploit that i predicted in my 2002 paper—Ping

That wouldn’t induce me (at least) to use a name like Paypa1 (note the digit one = 1 vs. the letter "l"). Doing so could only result in confusion. It might induce me to establish a trust relationship with whatever identity I choose to give the site (e.g. NewPaypal or perhaps it’s the first "Paypal" that I’ve assigned an identity for and I choose "Paypal" as the Petname for this site. However, assigning any trust to such a site based on it’s saying "this is the Paypal website" would be foolish.—Jed