Best New Mashups: November Roundup Featuring Facebook, Instagram and Prosperent

December starts tomorrow and brings with it the upcoming holiday season. Before we dive headfirst into the final month of the year, let's take a look back at November and the best mashups that we didn't catch the first time around. This group of mashups include a social content discovery site, shopping price comparison, business traveler information and a keyword research tool. For more information keep reading below. - In1 is a social aggregation, discovery and sharing Platform that combines feeds from multiple social networks. In provides content discover, one-click sharing and single channel promotion for brands. APIs used include: YouTube, Twitter, Tumblr, Pinterest, Instagram, GooglePlus, FacebookSocialPlugins, FacebookRealtimeUpdates, FacebookGraph, Facebook. More at our profile.

GrabEvery - GrabEvery is shopping price comparison site with a coupons and coupon codes. Several millions of products from thousands of stores on one place. APIs used include: Prosperent, Facebook. More at our GrabEvery profile. - Travel mashup for business travellers - people who want to see all essential data about a particular city will find this site useful. APIs used include: OpenLayers, Facebook. More at our profile.

Keyword Bee - Keyword Bee is a free keyword research tool that lets you find in-depth analysis of keywords. Search for related keywords and get the most valuable ones. APIs used include: WebKnox. More information at our Keyword Bee profile.

Be sure to read the next Mashups article: Innovative, Entertaining and Useful Mashups that Use the Foursquare API