It estimates that the majority of homes will be able to solve any interference issues by fitting a filter, which it will supply free of charge.

BBC: Man watching TV

As we witnessed in the historic events in Tunisia and Egypt, new media tools can also help empower citizens exercise their freedoms of speech and association, yet these same 21st century tools can be used to filter, block, and restrict free expression.

WHITEHOUSE: Statement by the President on World Press Freedom Day

Soon, you will also be able to filter by growing practices, like antibiotic-free.

FORBES: Connect

Some scientists, giving their imaginations free rein (and extrapolating from Earth's own sea creatures), have suggested filter-feeders, such as whales.

FORBES: We've Got Company