To Shard or Not to Shard

MySQL Sharding is one of the most used and surely the most abused MySQL scaling technology. 
In this presentation we'll look into the world of Sharding and answer the questions 
 

- Is sharding right for your application or should you use other scaling technologies ?
- If you're sharding what things you need to consider and which questions do you need to have answered.
- What kind of specific technologies can assist you with sharding