

It claims that if a consumer purchases one gift for a stranger, he/she will receive as many as 36 gifts in return, a typical pyramid scheme.
And starting this gift exchange comes with a catch -- you need to disclose your personal information, such as your home address. This is on Facebook instead of the old way of using letters because social media allows it to spread a lot faster, the BBB said in its advisory. "To avoid this scam, the best thing to do is completely ignore it altogether. Do not give out personal information to anyone," it said.