birchbird

If you'll go as far as saving a truncated hash, it's better to just save the whole thing. I don't see any good reasons not to.

Actually there are plenty of people who would do something like that for their friends. I don't know much about the dating scene but I have a number of friends who do dedicate time and money to arrange dates for their friends. I'd say the benefit you get is the satisfaction you gain from helping out a friend.

It's usually because the ".com" version of the domain is taken and the sites cater to a more tech savvy audience. I'm not sure I've seen examples of medium or large companies/services using .io domains. (Exception would be survey.io, but it's a few years old)

As psycr says, it's also a reference to I/O and could also represent 1 and 0.

I'm an engineer but I think dealing with people is harder than dealing with computers. I don't know if this is a general sentiment.

Well it's always good to jump on the latest trend, you know. Many apps, including Chrome, are adopting this design style.

It looks like YC is actually shifting to investing in products that have a real way of generating revenue this time. I'm not sure if this is a trend in the whole VC community though.