Kim Kardashian's Kimoji app had over 9,000 downloads per second on Apple's app store

"Kim Kardashian’s ‘Kimoji’ Temporarily Crashes Apple’s App Store; 9000 Downloads/Sec
Once her back broke the internet and now reality TV star who recently launched her own range of emojis broke the Apple’s app store as its server could not control the heavy traffic generated out of it"
Source:  Next Big What, 22nd December 2015