eligibility
| Variable | Question text | Label |
|---|---|---|
| phoneplan_android | Which of the following types of cell phone plan do you have on your Android phone? | phone plan android |
| phoneplan_apple | Which of the following types of cell phone plan do you have on your Apple iPhone? | phone plan |
| smartphone | Just to double check, do you have an Android phone or Apple iPhone or any other kind of smart phone? By smart phone we mean a phone that you can use for accessing the internet, sending email, etc. if you want to. Please select all that apply. | have smartphone |

