Create content articles about PrairieLearn #110

Potential ideas

• Usage growth story at the University of Illinois
• Case study of TAM 212, e.g. why Matt saves a lot of time using PrairieLearn to administer his course
• Case study of Math 212, e.g. how they grade calculus problems
• Document camera usage post / CBTF experience (Jim)
• TheorieLearn (Sam/Jeff E.)
• Using PL content articles (Craig)