But just like real air hockey, things can get competitive in a hurry. (android.gadgethacks.com)
Now, the bulk of rewards points are actually earned on the ground — through credit card partnerships — not through real air miles. (petergreenberg.com)
After 24 - hours with real air purifiers in use, exposure levels for fine particulate matter were in the safe range per World Health Organization. (sciencedaily.com)