By Luc Olinga The founder and executive chairman of e-commerce giant Amazon has advice for businesses and consumers in these uncertain times. Jeff Bezos in recent weeks has been very discreet. Apart from a tweet about his family’s huge donation \- about $711 million – to the Seattle-based Fred Hutchinson Cancer Center, the billionaire has not spoken much. Yet he had opportunities to speak. For example, his presence in the stands alongside Roger Goodell, the commissioner of the National Football League, during a Thursday night game in mid-September prompted a lot of talk on social networks. The…