If all things remained the same then what accounts for the «unexpected drop in ocean temps»? (realclimate.org)
The inside lining is soft, but the rear exterior is tough, helping you to you to protect your tablet from unexpected drops. (digitaltrends.com)
Seriously though, a lot of people I know that ride the subway or bus on a daily basis use a case, because it helps protect their device against unexpected drops. (goodereader.com)