If you have 5 minutes, file a complaint with the FCC for violating the do-not-call laws.
Bonus points if you can keep them on the line and have them clandestinely help you fill out the form.
Yes, Android is filling that need as we speak.
This article of course has to do with the *Mac* App Store, with which Android does not compete.
Every nonzero finite dimensional inner product space has an orthonormal basis. It makes sense, when you don't think about it.