How to Use "massive" with Example Sentences

1. But electric cars face a massive uphill battle .
2. Mooc critics contend that the massive online format doesn 't allow for meaningful interaction with students and faculty .
3. We need a marshall plan-like approach , a massive program for reconstruction .
4. The massive popularity of freemium games on tablets and mobile phones is dramatically changing consumer behavior .
5. They will focus on getting massive user bases first , and let the revenue follow later .