New feature of Tumblr which I have never seen – if you ask a question in your post (yes, in plain English), it recognizes it, and adds an option: “Let people answer this”. If you check it, they – indeed – will be able to answer your question (which isn’t exactly a comment, something different [...]

Few more notes on Mobile Me’s “Back to my Mac”:

It exposes (to you only, presumably) your Mac’s folders, so you can mount them via AFP and work like with any other – and it doesn’t matter, that your computer is behind router/NAT.  It forwards Spotelight searches to your remote Mac’s Spotlight, so it works [...]