Google are giving away 1TB of free storage space if you achieve level 4 in their Local Guides system. This required quite a bit of fiddly work to get started, but if you have a long history of places visited, shouldn't be too hard to go through hand give them a rating each.
"Head to Google Maps to search for places you've been. Add new places to the map, write reviews, share photos, fix information or answer questions about destinations. Earn up to 5 points per place!"
Levels are determined by the number of points you've earned. Receive 1 point for every place you review, photograph, add, edit, or provide additional information for on Google Maps. Earn up to 5 points per place.
Level 1 = 0-4 points
Level 2 = 5-49 points
Level 3 = 50-199 points
Level 4 = 200-499 points
Level 5 = 500+ pointsThere are other bonuses at each level too, but nothing as interesting as the TB.
Level 1: 0+ points
- Get the inside scoop with our monthly newsletter
- Join Google-hosted workshops and Hangouts
- In select countries, enter into exclusive contests for Local GuidesLevel 2: 5+ points
- Get early access to new Google products and features
- Promote your own meet-ups on the Local Guides calendarLevel 3: 50+ points
- Get noticed with your Local Guides badge in Google Maps
- Connect with other Local Guides in our exclusive Google+ Community
- Lead the conversation by moderating Local Guides community channels
- Be eligible to receive training and promotion of unofficial communities
- Receive invites to Google-hosted events in select citiesLevel 4: 200+ points
- Upgrade your Google Drive storage for free
- Be eligible to be featured on our official online channels: Google+, Facebook, Twitter, and more
- Receive an annual thank-you gift* for consistent, high-quality contributions to Google MapsLevel 5: 500+ points
- Be a Google insider, testing new products before public release
- Apply to attend our Level 5 Local Guides summit*Where permissible.
The following images details how to go about earning points:
https://services.google.com/fh/files/helpcenter/howlgpointswork.png
Credit to Bluboy on OzBargain for posting this there originally.