看看我認識的一個剛退休的自己做顧問公司的德國人回複，關於他的做法和建議，我覺得在教育孩子上也有啟發

Yes. I've contracted ~ 12 partners like this. Across the globe. They support me. They promote me to their clients. E.g. McKinsey, Boston Consulting, bain & company, Roland Berger. They pay me 600 USD per hour. Phone calls. Written consultations. I focus on artificial intelligence in cars. Including navigation, infotainment, ADAS, cloud services, telematics. Exciting & inspiring.

3 pros: (1) keep updated about trends, needs & latest technologies. (2) keep brain flexible. (3) keep connected with people & companies.

Top 3 criteria: (1) experience & practice. Minimum 20 years. (2) attractive linkedin profile. (3) familiar with leading technologies. Semiconductors. Displays. Sensors. Battery