A handful of browser add-ons exist that will update the visual design and generally make the site more pleasurable to use. Here's one for Chrome: http://gabrielecirulli.github.io/hn-special/
I switched to a Nexus 5 recently. I deactivated iMessage, ensured my phone was no longer registered with Apple and asked friends to delete existing conversations.
It has been about a week and I still cannot receive text messages from iPhone users I've iMessaged in the past.
What is perhaps most frustrating is that Apple seems incapable of changing the situation. Adding insult to injury, Apple is requiring that I pay a $20 fee to speak with a technician.
Looks interesting. A note to the author: that post is very difficult to read on mobile. Setting a width on your container will go a long way to improve readability (e.g. .wrapper { max-width: 90%; margin: 0 auto; }).
Quoted from the figure caption under the two candlestick charts on the right-hand side of the article: "People who report drinking one or two alcoholic beverages daily and getting around seven hours of sleep nightly performed best on a Lumosity game that measures spatial memory, a recent study of more than 160,000 users reveals."
See https://github.com/WardCunningham/remodeling#remodeling which is linked from the footer of the wiki.