Some open source guy wants to pick your brain: Sure lets get lunch and split it.
Some small single digit founder start-up wants to talk abut your work: Ok sure, pay for my lunch lets talk about how I can help you change the world.
Freaking Microsoft wants to talk: That'll be 1k an hour plus expenses (also get a limo and a nice dinner).
The humility of engineering should stop at the boundary between people who want to change the world and those who just want to profit off of you.
Some open source guy wants to pick your brain: Sure lets get lunch and split it.
Some small single digit founder start-up wants to talk abut your work: Ok sure, pay for my lunch lets talk about how I can help you change the world.
Freaking Microsoft wants to talk: That'll be 1k an hour plus expenses (also get a limo and a nice dinner).
The humility of engineering should stop at the boundary between people who want to change the world and those who just want to profit off of you.