News

Agência Estado
The Economist
O Estado de S.Paulo
O Globo
Jornal do Brasil
The New York Times
No Mínimo
The Register
Slate
Wired

Software

DJGPP (gcc for Windows)
Ghostview
Perl

Bookstores

Amazon
Barnes and Noble
BookShop (UK)
Livraria Cultura

Combinatorial Optimization

SteinLib (Steiner Problem in Graphs)
Concorde (Traveling Salesman Problems)
UflLib (Uncapacitated Facility Location)

People (I've worked with)

Diogo Andrade
Ricardo Dahab
Ricardo Fukasawa
Loukas Georgiadis
Andrew V. Goldberg
Haim Kaplan
Jens Lysgaard
Diego Nehab
Marcus Poggi de Aragão
Mauricio G. C. Resende
Celso C. Ribeiro
João Carlos Setubal
Robert E. Tarjan
Eduardo Uchoa

Other Stuff

Google
TOP500 Supercomputer Sites
On-line Encyclopedia of Integer Sequences
Project Gutemberg
An Online Library of Literature