The Google Advanced Search page has added new date parameters to the date option drop down. Prior, I believe they only had the option to choose by the past 3, 6 or 12 months. Now you can also search by past 24 hours, week, month or 2 months.
Even more so, as I reported at Search Engine Land a week ago, based on a Ionut finding you can also define your own time frames. So if you want to search for the past three days, you simply add the =d3 parameter on the URL. If you want to search for the past 3 weeks you add the =w3 parameter and if you want to search for the past 3 years you add the =y3 parameter to the URL.
Here is the quick cheat sheet: d[number] - past number of days (e.g.: d10) w[number] - past number of weeks y[number] - past number of years
This can be very useful for SEOs and Webmasters who want to see all new pages added to Google within a certain time frame. So if you want to see just pages Google discovered in the past 24 hours, go with this type of search. It would be cool if there was an RSS feed for these types of searches.
Forum discussion at DigitalPoint Forums.