Idea: a personal blood testing device for use at home (to test for many parameters including vitamin levels). It would be beneficial to be able to test at least monthly in order to avoid risks associated with various deficiencies, to detect possible diseases early, to monitor relevant parameters while on a diet or exercising etc.. Also, we'd like to keep our results confidential to avoid trouble with insurances and o…
Write the code into a web-page and you get status updates when it is received, when the results arrive etc.
If you want to you might register to get email updates.