A Digital foot print is means what you have been doing will be noted down on you're device you can find it in you're History.
I spend most of my time on sites that have Google in the address. These could be Docs, slides, sheets, sites or even drawings. This is because most of the things we use are owned by Google or we use Google.com as a search engine.
Yes because most people play games on technology but google will still stay the biggest because games are on sites.
