@Sina@Blaubarschmann Google is more like a restaurant that has a large chalk board covered with specials. The kind that has a soup of the day, and a fish of the day, and a chef's special.
There are a few core menu items that are perennials on its printed menu. Search, maps, photos, ads, Gmail, Google Docs, Chrome, Android, Chromebook, YouTube...
Then there's the messaging app of the day, the TV platform of the day, the flavour-of-the-month device selection...