After surfing around for a day there is a good chance you want to revisit an earlier page for some information.

So I suggest creating a searched for the history in the web browser.

It should store the content for your visited pages so you can search the contents and bring it back.

Say you (involuntary) started an SMS or email avalanche with some friends. Why not have a site with a very simple chat. No usr/pwd and no functionality; if you know the URL you can get to participate.

The chat is erased after a few days.

But in that time the participants have sorted out where to meet and who brings what and the SMSes/email flood can trickle down to a more manageable level.

“hey everyone – information overlaod – please continue the discussion on http://bachelor.chat.ninja”

The GUI code is reduced to as few bytes as possible to load blazingly fast on mobile devices.

When a site is overloaded we get an error message in return.  Why not a queue ticket instead?

Here is the real world example behind the idea:
A telecom company released a good offer and reached tens of thousands of potential users.  Soon the site was overloaded and everyone got error messages instead.  Then it gets even worse since people start reloading and increase the load even more.  Plus some customers might be irritated and skip the offer.

So:
When the site gets overloaded: pipe the requests to another server, preferably in the cloud for scaling purposes, and give people a ticket.  Ask for an email and send offers out in batches, with link to another site.  Throttle email and servers to have a steady load.  It costs more but each and one of these tens of thousands of failed requests is a potential customer.

Babysitting your own children and out of ideas of what to do that is both educational, fun and social?

Why not have a site that is geo sensitive and keeps discussions about local happenings.  Think opening hours of museums, position of play grounds, public transportations maps, happenings, eating possibilities.  It should be crowd sourced so the parents themselves use and update it.  Then big enough so the local businesses (museums, stores, kiosks) updates it to draw more customers.

This idea can be made universal to handle almost anything “what should I do today” but limiting it to parents and their children could be a good idea to make the subject narrow enough to be usable.

If you local surroundings aren’t interesting enough for such a site, think visitors and yourself travelling with children.