Once upon a time, numerous skilled and talented professionals with expertise could only spread their wisdom and experience in local meetings and small classrooms. The luckiest of them wrote books that frequently couldn’t reach all interested readers. Their chances of spreading knowledge globally were reasonably low.Fast forward, we wake up in the IT era, with tablets and smartphones providing us the instant access to the internet and letting us make real-time global connections on-the-go. Practically speaking, with the use of…