Mobile, past, present and future
There is always a debate whether one can predict the future looking at the past or whether the past simply constrains our future thinking. I think both future looking and analyzing the past are useful activities in prediction. Thinking about my career working as an engineer with mobile technology, starting in 1997 with the Motorola M301 A number of key technological elements have improved significantly over the last 15 years: Battery The m301 had a stand-by time of a few hours and talk time of about 20 min, the battery was large and heavy and had memory - charging a not-fully-discharged battery would lead to loss of performance. The official specs quoted the battery as " Included NiCad battery gives 12 hours standby or 70 minutes talktime ". NiCad batteries soon gave way to NiMh which had twice the capacity of the Nicad. Then came the Lithium-ion which produced the same capacity with about 30% less weight. These technologies all served to increase the battery perf...