How to tell a tech bubble from a tech revolution
There are two major schools of technology investing. The first believes that all investments these days are fundamentally technology investments. Every big company relies to a greater or lesser degree on the innovations and efficiencies of technology to replace the high costs and laggardly habits of human beings. The faster they do this, the higher their returns. The second school covets the pop and fizz of the new. It rejects the tedium of earnings-based valuations in favour of the helium of potential. It piles into the latest new share offerings and regards Twitter as the future of mobile advertising, not a punchline. One school feels like traditional, copper-bottomed investing, the