Excel on LIne
Make easily possible to put online any Excel worksheet.
1) On the web, users can change cells contents (aka data enter or qwery) and the worksheet gives the answer as it has designed to do it.
2) Users doesn't need to have Excel on their PC
3) It's completely anonymous for user and the owner of the worksheet
4) the server ishould be OneDrive but of course without any possiblity to know the name of the owner and acces to his files.