Motorola Razr M Doesn't Notify You When Text Messages Arrive

Problem: Your Motorola Razr M does NOT let you know when text messages arrive.

Solution: Hangouts → Settings → SMS → Uncheck "Turn on SMS"

Type Arrows in Regular Text

Problem: You're typing an email, a message, a document, a blog or some other such thing that doesn't have an "Insert Symbol" function and you want to put some arrows in it.

Solution: Go to Wikipedia's Arrow (symbol) page → highlight the arrow you want → copy (Ctrl+C) & paste (Ctrl+V)