http://e26whn2524322mkxb3cbyk27ev2ihhq2biz35hty7gzgsyrwrygq27yd.onion/posts/blog/the-internet/moving-on-from-google-apps-for-domains.html
The "official" solution to these seems to be to also maintain a free Gmail account (the terms of which allow much broader tracking/profiling, natch). That stuff was annoying when AfD was free, but it's entirely unacceptable if I'm paying for the account.