I helped write up the strategy to get people to use it, fake leak courtesy of mikfail:

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A trade made using Steam Trader Matcher was confirmed by the other guy 9th dic, when the escrow was active and give us a HOLD of 3 days, but later i made a trade with a friend and only recived a HOLD of 24 hs. That made me happy, but i wonder why one of the trade recived 3 days and other 24hs, i pressumed is something related with friendlist, since que user from the 24 hold trade was on my friend list since long time ago.

I signed up for it with my phone, got the code, and then immediately went in and switch it back to email verification.

Hasn't bothered me since. Email works fine and is just about a secure as a secondary recovery device. Adding in your phone will not help.

20 minutes later, I still haven't gotten the text with the code. I am guessing the are overloaded.

this thing suck!

Ah bollocks, never knew you needed trade notifications turned on. I thought it was just enough to have the authenticator for at least 7 days. Might well be missing something, but I don't see why it wouldn't have been enough seeing as to even log in to my account before making a trade, a hacker or phisher would have needed to go through the authenticator once already.

Turned notifications on for future trades, but I still don't get that.

Still no for windows phone :(

Where's the petition I should sign to wipe this new sh1tty protection system out?

Here is the reasoning directly from Valve: http://store.steampowered.com/news/19618/
And new malware https://blog.malwarebytes.org/online-security/2015/12/malware-targeting-steam-traders-banks-on-new-escrow-system

Email option is still good, but have to wait 3 days to confirm the trade...oh shit!
You have a windows phone?

This should be optional.

Steam Desktop Authenticator

SDA is safe ?

Why would anyone dont want this? i have a high value account and it was hijacked back in September, since then im using steam mobile authenticator, so im happy now that my account is pretty much safe

Just download and install Bluestacks. It's an android emulator. I've been using it for weeks already.