Is higher education an engine of opportunity, or a perpetuator of privilege?

The Communications website, http://cacm.acm.org, features more than a dozen bloggers in the BLOG@CACM community. In each issue of Communications , we'll publish selected posts or excerpts. twitter Follow us on Twitter at http://twitter.com/blogCACM http://cacm.acm.org/blogs/blog-cacm Mark Guzdial considers the goals of computer science education and the role(s) of educators within that.

The long road ahead to transition to post-quantum cryptography

Anticipating the output of the competition for new cryptographic algorithms.

Shrinking artificial intelligence

Energy concerns push AI optimizations to the edge.

Delivering a rapid digital response to the COVID-19 pandemic

Lessons learned from South Korea's contact-tracing system.

Orbit design

When should the satellites fly?

Addressing algorithmic discrimination

Considering the intersection of technical design and civil rights when building and using classification algorithms.

Epic versus Apple and the future of app stores

Seeking a more equitable way to govern and distribute the revenues generated by App-store marketplaces.

How reliable is smartphone-based electronic contact tracing for COVID-19?

A look through the lens of neighbor discovery protocols reveals significant potential to improve electronic contact-tracing accuracy.

Fifty years of P vs. NP and the possibility of the impossible

Advances in algorithms, machine learning, and hardware can help tackle many NP-hard problems once thought impossible.