How are these resume lines "proven?"
e.g. SWE at Google - "these résumé lines must be good!"
> Doubled new user acquisition from 10-15 users to 20-25 through the implementation of new marketing strategies focused on online advertising and improving the company's web presence, social media, and search engine optimization.
> Identified steps to reduce return rates by 10% resulting in an eventual $75k cost savings
> Designed and implemented 50+ E2E tests using Selenium & Protractor, simulating each user group's actions