Through writing, carrier pigeons, telegraphs, and many other methods, information has come to be transmitted from person to person ever more quickly.

Literal

Writing, carrier-pigeons, telegraph, other many methods [means-で], information [topic-は] increasingly quickly person [from-から] person [direction-へ] [quotative-と] transmitted come-to-be became.

A long, information-dense sentence. ~ようになった means 'came to be able to' or 'reached a state where,' marking a historical change. 伝えられる is the passive of 伝える (to transmit). The list of communication methods (文字、伝書鳩、電信) traces technological progress.