You can take like 2 weeks worth of sh!ts with this magazine and not read the same thing twice. It's awesome.
I can't read in the bathroom. I'm all about get in and get out. I don't know if I've ever read one of their articles, but if its free I guess it is worth a try. At worst my wife may read it.
I've done these in the past. No catch. They just give them out for free sometimes. I did this for Maxim and Stuff in the past.
I would think by now most people have an email account just for spam. Just use your spam account and your good to go.
I do to and did. This doesn't even require verification, so could have just put a fake one in. I do afterall get the occasional worthwhile email to my spam account.