"Twenty years ago, in November 1985, Windows 1.0 debuted with approximately 400 documented function calls.5 Ten years later, Windows 95 had well over a thousand.6 Today we are ready for the official release of the .NET Framework 2.0. Tabulating only MSCORLIB.DLL and those assemblies that begin with word System, we have over 5,000 public classes that include over 45,000 public methods and 15,000 public properties..."…
No. Reaching the top of the knowledge pyramid in your subfield over time has remained constant (typically in your early to mid 20s, as you complete your PhD). We have more sub fields, but that’s not particularly a problem - once you’re an effective researcher, jumping branches - and even trunks - is far from impossible. A few months surrounded with talented people and dedication is typically enough - eg my grad schoo…
Machine learning is older than you think.