This Day in Blogging History: Why majority supports gay marriage; 3D printing with maltodextrin; Jack Layton endorses P2P

One year ago today
Why the majority of people now favor marriage equality: The most common response involved coming into contact with someone that they learned was homosexual. A third of respondents said that knowing a gay, lesbian, or bisexual person was influential in making them rethink their position on gay marriage.

Five years ago today
Homemade 3D printer goop made from maltodextrin costs 1/50 of the real stuff: "Normally these supplies cost $30 to $50 a pound. Our materials cost less than a dollar a pound," said Ganter. He said he wants to distribute the free recipes in order to democratize 3-D printing and expand the range of printable objects.

Ten years ago today
Canada's NDP leader endorses P2P: "When I was at university there was a great fear that photocopying was going to destroy the publishing industry and that hasn't happened. It's sometimes best to muddle along, take things one step at a time and see what happens. Society can have a way of sorting things out."