Ingress Field Guide (Has content for all levels, but some content is dated now)
Absolute Beginner's Guide to Ingress for London, Ontario
Picking Up Items Next To Portals
Advice for New Players from a Seasoned Agent | Ingress Field Guide
Ingress Bootcamp | Ingress Field Guide
Candidate Portal criteria - Ingress Help (or: Is This Location a Valid Portal?)
Portals: How Do They Work? (Unofficial FAQ)
YouTube Video: Details on Field Maximization
Ingress Onion Fields Part 2 (for people who would rather the content not be in video format)
Ingress Strategy, Round 2 – The Art of War | SJ Says (How to use Ultra Strikes and Bursters More Effectively)
Scanner v1.51 Update with L9-16 Badge Requirements
Mobile Version of Ingress Intel Map
Ingress Portal Attack Simulator (or: Do I Have What I Need to Take this Portal Down?)
Small Town Ingress Portal Distance Calculator Map (Calculate how far you can link without any link amps)
Google Maps Distance Calculator (Calculate distances between any two points on Earth)
Ingress Information for Law Enforcement
INGRESS REPORT | Africa, Europe linked by Cross-Continent Field - EP10 - YouTube
Ingress Logo
Oct. 11 #13Magnus (site has Ingress logo and green & blue fist pic)
The Glyphtionary (@ G+)
Ingress - It's Time To Recruit
Hitler tries to play Ingress - YouTube
Nexus 7
Samsung Galaxy Tab 2 7.0"
Nexus One or HTC Desire