Boris Pfeiffer

Boris Pfeiffer

RiddleRiddle
Founder, CEO Riddle.com
159 points
The new quiz maker that makes sense.
The new quiz maker that makes sense.Create quizzes, polls, surveys, leaderboards and mini-games

Hunted on September 1st, 2025

The 22 immutable laws of branding
The 22 immutable laws of brandingA classic from 2002 - still very valid and a must read

Hunted on July 24th, 2015

Crush Paper
Crush PaperResearch web for quotes and save them to crushpaper

Hunted on June 1st, 2015

Lunch Picker
Lunch PickerUse a wheel of fortune to decide where to go to lunch

Hunted on May 27th, 2015

Responsible Social Sharing Buttons
Responsible Social Sharing ButtonsFastest way to create tiny social sharing buttons

Hunted on May 24th, 2015

CodePicnic <3 Slack
CodePicnic <3 SlackSend code to all the members of

Hunted on May 24th, 2015

Growth Talk
Growth TalkWorldwide community of Growth Hackers

Hunted on May 21st, 2015

24 Proof
24 ProofRun online hackathons. Get a proof of concept in just 24 hrs

Hunted on May 12th, 2015