+1 for scratch. It's a great way for kids to learn programming without getting bored. Show them how to make an account and share their games with the community and they'll be hooked. The same skills learned from scratch transfer over to more advanced languages.
...And (3) force people to either create a Coinbase account or lose their money. (The post wasn't very clear, but as I understand it the receiver will get a PM linking them to Coinbase where they will need to sign up to receive their money).
I don't want to just sound cynical, so I'll try to provide a solution. Perhaps there should be an option to reply to the BitTip PM with a regular Bitcoin address where all future payments will be sent.
You can't, the "Twittern" (you made a typo) button is covering it.
I don't understand the point of Pltts. The top 20 colours are just ColourLovers top 20 colours. Why not browse ColourLovers that has the exact same stuff, plus much MUCH more?
These aren't really hidden, the "lists" link is at the bottom left of the page. I did upvote this however because lots of people might not know about it.