“It could be the most costly piece of punctuation in Canada. A grammatical blunder may force Rogers Communications Inc. to pay an extra $2.13-million to use utility poles in the Maritimes after the placement of a comma in a contract permitted the deal’s cancellation. The controversial comma sent lawyers and telecommunications regulators scrambling for their English textbooks in a bitter 18-month dispute that serves as an expensive reminder of the importance of punctuation.”

“Fourteen of the people behind Internet pioneers like PayPal, Yahoo!, and Netflix offer their advice to entrepreneurs doing business online.”