warn Facebook blames global outage on error during routine maintenance 3 Jahren ago Facebook blames global outage on error during routine maintenanceDas Bild Facebook blames global outage on error during routine maintenance von… A new german open source project – Corona-Warn-App helps in the fight against the pandemic 4 Jahren ago A new german open source project - Corona-Warn-App helps in the fight against the pandemicDas Bild A new german open…