I sometimes find that I buy things immediately off the web because I'm worried I'll forget about them in a day or so. Unfortunately that's not the best way for me to manage my finances.
So how about a bookmarklet, or even an app, that lets you grab an item (with all the relevant ordering data) and store it for later revisiting. It could build up a shopping list, keeping a tally of the costs that you could then revisit at your leisure to buy the items.
Perhaps even set a budget so that it will only let you order a certain amount of stuff in any given month.
Similar to GMail's attachment checker, some kind of tool (Chrome/FF plugin?) that checks your tweet for any signs that it might be meant as DM rather than an @, before you tweet something you shouldn't... and why not the Twitter equivalent of Mail Goggles http://t.co/IKIhJ9E while we're at it
A standard file on every website containing any licences required by the software used on the site. This way, you don't need to mess up your beautifully minified JS files with a mandatory GNU boilerplate. Referred to via a meta tag in every page.
A website that permits two users to compete sending URLs back and forth. The public can interact voting for the best serve.
This idea comes from countless emails from friends or coworkes sending a link to a site or some sort news. And people responding to that email with more links. Kind of saying "my link is better than yours"
Instagram Project - "Nearly Everything I Saw Today"
Choose a day, and the moment we all wake up we'll start taking photos and posting them to Instagram, and we won't stop until we go to sleep. It'll be like Jonathan Harris' 'Today' - except less thoughtful, much noisier, bigger and quicker...
Teach students electronics by creating a virtual logic board via the Android (and maybe iPhone) where-by the user can build up their circuit using virtual components. Then the user can plug it in to the complementary plugin and press play run their board.
e.g. imagine a fan hooked up to the USB of the Android; the user/student can build a timer circuit which physically turns on/off the fan.
Using something like Bonjour, and a small bit of software on both the target and source computer, drag and drop a file onto an icon (like Cloud.app) and have it automatically delivered to the other computer and stored in a single known location on the computer.
The source computer should be able to detect all of the possible target machines on the LAN — needs to be zero configuration at the client side.
In other words, a convenient replacement for sneakernet within an office or home.
A bookmarklet that allows you to highlight an element on the page then select and substitute a webfont dynamically
The bookmarklet (or extension, plugin, add-on, applet) when launched
would allow you to select an element on the web page you're looking at
by clicking (shift-click for multiple) and show a selection panel
which contained font listings from a number of web font providers
(Google, Typekit, etc). Selecting a font would then add the styles to
the page to enable that font on those elements. Regularly/recently
used fonts could be a quick selection in the panel.
There's an 'Events' tab in Dropbox that shows what you've been working on. It would be quite useful to be able to have that spit out a grid of what you were working on on a particular day, by folder. This could form the basis of a draft timesheet, or at least one more thing you could use (as well as calendar and sent mails) to reconstruct what you were working on and when and roughly how long for.
I don't know if it's available through the Dropbox API, but if so it should be relatively easy to turn this into something useful.
A day's facilitated workshop where we identify things in our daily lives
that are annoying, problematic, friction-y or otherwise sub-optimal. And
then we make things that address the problem. We could do it from a design
and tech and service angle (separately, as an experiment). Then compare
notes and integrate the teams and their thinking for another cycle of
iteration. At the end of the day we have 12-2 'products'.