After days of continual calls from this number, the caller finally left a message. She identified herself as Amber from BBC Research, and asked how often I use social media, such as Facebook or Twitter. Of course, I didn't answer.
These [***] don't stop. NO idea what they want, because I'm not answering (or there's nothing at the either end), and I wish they'd get sucked up by a tornado. Or Sharknado. Whichever.