Did you know you can do live streaming (including iOS and Android/BlackBerry mobile devices) for under $20/month?
Blane Young wrote a great article on Launching an Internet Campus On A Shoestring Budget. The most expensive component of that writeup was $75/month for a video streaming provider.
That got me thinking about how to do it for less.
Download this spreadsheet to estimate your monthly cost (edit the values in green). There’s also a read-only version online.