The move to HTTPS

Google announced earlier this year that they will begin counting the availability of service over the https protocol on sites as a positive factor for page rank.
Several clients have expressed concern over moving their Drupal sites to https. Drupal has no issues with this, and generally work fine over either protocol; but there's some confusion over broader issues of search, link juice, etc. and how 301s and 302s should be handled. Here's a good summary of the common questions:
https://plus.google.com/+JohnMueller/posts/PY1xCWbeDVC