Captcha Redux?

Constant readers will recall that for some time, perhaps more than a year, I had a Captcha interface to eliminate comment spam.

Then, in the interest of making it as easy as possible to comment, and perhaps lulled into thinking spam wouldn't be much of a problem anymore and that maybe TypePad had improved its algorithmic screening, last year I lost the Captcha.

Now spam comments are steadily increasing, to the point that over half of all comments are spam.

When I take my first look in the morning, oftimes most of the comments on the homepage are spam that came in under the radar while I was sleeping.

During the day I don't mind flicking them away as they arrive but I don't like that overnight influx.

So don't be surprised if one of these days, all of a sudden, the Captcha's back.