David is an investor specialising in tech and stocks connected to the smartphone revolution. Through his work in the IT sector he has built-up a deep understanding of the huge shift taking place in this innovative industry. David has been watching and actively trading AAPL since the launch of the iPhone, and has recently started diversifying into stocks set to benefit from the explosion in smartphones and the iOS/Android ecosystems. David joined Seeking Alpha in 2011 and has established his position as an active contributor to the site through the mediums of Instablogs, articles and commentary on the writing of others. He is the author of two of the most popular SA articles on Apple written this year.