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My favorite is the "No, not like this" article.

You poke a little fun at yourself with a piece that says something like:

"Hi. Our name is SuperFry. Yes, SuperFry. There's a lot of confusion out there about our name. We blame ourselves. Folks have used Super-Fri, Super Fry, Super-Fri [list more here].

We appreciate the creativity, we really do. And we're sorry we created a name with so many spelling possibilities. But it's our name because [story of the name]."

Hope this clears things up,

John Doe
CEO
Super Fri SuperFri Super-Fri Super Fry SuperFry

Yes. Example:

This is the ultimate all-in-one software bundle for all of your video and audio dreams task, this package provides the complete set of tools you need to get the most from your multimedia lifestyle.

A few possibilities. We just went through this:

1. If your site recently got hacked and delivered malware, Google may temporarily remove your site or push it down in the rankings. Assuming you fixed it, you should recover fairly soon.
2. Do you rank #1 for your own brand name? If not, you may be under a Penguin or Panda penalty. Did you get a warning message from Google regarding unnatural links?
3. Is the content on your site unique? (aside from the scrapers) If it's not, that can cause what you're seeing.

Google specifically states that having a single site that responds to mobile versus desktop (aka - 'responsive design') will help you just as much. Plus, you won't have to build two sites.

http://www.seroundtable.com/google-mobile-seo-official-15264.html