People should use live fence insted of ink. Not only good for the enviroment, but also avoids graphity vandalism. Green city insted of grey.
A special check-in on Foursquare for each time we see a homeless person on the street. This way it is easier to take action.
For each contract signed, a new tree is planted.
Bookstore that sells compilations of the best twitter authors, with serious curatorship.
To build lighter, we use naval tecnology, then we can raise up the habitation hydraulically in situations of risk .
If you were the justice, who would be in prison? #cc
A dock for gaming enthusiasts to iPhone 4. Reminding the old psp and gameboy. Can you imagine playing pokemon yellow on your mobile?