Erik and Bob take your technology questions. Samsung introduces "foldable" cell phone for $1,980.  A security researcher says that there is an "unmatchable" bug in hundreds of millions of Apple iOS devices, allowing jailbreaking.  Hyundai and Cummins to work together on fuel cell vehicles.  Fate of online disabled accessibility to websites may rest on lawsuit involving Domino's Pizza. A listener has problems with streaming television stations on a refurbished laptop.  A Windows 10 user has difficulty logging in due to a forgotten password.  In California, a police officer's Tesla runs out of battery power during a high-speed chase.  A user has problems connecting wirelessly at high speeds with an iPad.