Days after a nationwide "economic blackout," a 40-day boycott of Target has begun — with more actions against major corporations upcoming. Here's why.

One boycott is an “economic blackout” proposed for Feb. 28. On that day, consumers have been encouraged to refrain from spending any money in stores or online. A group called The People’s Union is one of the groups behind the Feb. 28 blackout campaign, which has spread over social media.

Starting today, grassroots organizers are encouraging a boycott of Amazon over its corporate practices. Here's how to participate and what to avoid.