just use WiFi Speed Spray™, should you find yourself trapped within the confines of a building painted with wifi blocking paint.

"As your computer sends data, each bit also carries hundreds of invisible WiFi Speed Spray™ "scrubbing" molecules. It works at the speed of light. and even penetrates lead walls (not even Superman can do that!). Within .0025 seconds, the entire path between you and the receiver is cleaned, scrubbed, polished, and sanitized. You'll notice the improvement immediately as your productivity soars!"