Estimote, from YC S13, makes small wireless sensors called beacons that use Bluetooth Low Energy (BLE) to communicate with nearby smartphones.  Apple’s new iBeacon in iOS 7 supports Estimote Beacons, allowing developers to add micro-location features to mobile apps.  Major League Baseball recently demo’d personalized stadium experiences using its At The Ballpark iOS app and Apple iBeacon. […]

Y Combinator Universe published more than a hundred blog posts in 2013.   Topics covered everything from relationship apps for couples to in-memory relational databases.  I wrote about fashion startups and wearable devices.  The acquisition of a dozen companies were mentioned.  And Demo Day for two new batches were detailed, YC W13 and YC S13.  Here’s a […]

Y Combinator is having its semi-annual Demo Day today.  This time it’s for YC S13, which contains 53 companies.  By Demo Day, most of these companies have already launched in the technical press.  As of writing this, I already have 45 of the 53 companies in YC S13 on my complete list of known Y […]