Chicago Inno (Jan. 12) – Cast21, an Illinois student startup, has raised $800,000 for its waterproof, breathable cast. Later this year, it will complete mechanical tests at Illinois and run two pilot patient tests at medical centers in central Illinois. Two student startups from the University of Illinois--Jifflo and Reltup--will compete in the annual SXSW Student Startup Madness competition, in which 64 student-founded digital media startups compete to pitch on the SXSW stage for funding.