…..and help a couple of Portuguese students determine the ‘exact number’ of internet users within a month.

Right now they are on day 4 (it start April 22nd) and so far my home town Enschede boasts 21 internet users. With almost the highest broadband penetration in the world here in the Netherlands I have a hunch that there might still be a few more.
Funny. So, if you like, go add your name on the map.
I did: