If you have a Virgin mobile prepay cell phone you can get free bonus minutes in addition to whatever plan that you have. Here's how.
Go to the Virgin Mobile USA sign in with your cell phone number and your v-key (pin).
Sign up to watch videos and receive free text messages that asks you for feedback to products or view commercials for products.
Know that every minute you watch a video and give feedback you receive a free minute of airtime. Every two text messages you respond to, you receive a free minute of airtime. It doesn't matter what plan you have you will get up to five free bonus minutes a day.