I'm pretty sure it was a copy-paste error on my part. That said, anyone who wants to link to, say, a help page on tinyurl from Twitter will automatically have

I'm pretty sure it was a copy-paste error on my part. That said, anyone who wants to link to, say, a help page on tinyurl from Twitter will automatically have their link blocked as malware. That seems a bit anticompetitive, no? They also block linking to the homepage of is.gd, tr.im, cli.gs, tiny.cc, BudURL.com, snipr.com, snipurl.com, kl.am, etc. All of which are or were competitors.