Question: what can i do with 1 mb of data?
Answer: Send/Receive 100 text emails with attachments.
4 hours of web browsing (depending on pictures, videos, etc)
1 hr of navigation in Google Maps (or similar)
Send approx. ... 
Stream music for 1 hr and 20 min.
View/Download one 15-minute video.
Upload 40 photo posts on social media.