Some headline and abstract ideas when you approach bloggers:
1) Tech/Business -- Popcorn: The hot new app to network at tech conferences
2) Student Websites/Newspapers -- The messaging app you need when a zombie apocalypse happens at SDSU (insert campus here)
3) Dating Blogs -- The newest app for singles: Popcorn lets you chat with others in high density bar areas
4) General -- When disasters strike, Popcorn lets you talk to others in your vicinity
5) Social media bloggers -- What are young teens using if not Facebook? Apps like Popcorn: hyper-local and addictive
6) Music -- Perfect for Coachella and SXSW: Popcorn lets you chat with others at music festivals
7) City Websites/Local -- New app "Popcorn" lets neighbors stay connected on what's happening on the block
8) Gaming -- Popcorn, the app you need to coordinate your next LAN party
If you get a bunch of these articles and blog posts up in the next week or two, it can help push that 1,000 number up higher.