In the presentation titled "Weird Ruby," Bozhidar Batsov explores the quirky characteristics of the Ruby programming language, emphasizing that its peculiar features are not necessarily negative but simply distinct. Batsov, a senior director of engineering at Toptal, shares his affection for Ruby while discussing its unique capabilities that have developed over its 31-year history. The presentation promises both fun and intrigue, aiming to highlight specific Ruby features that developers might find strange or useful.

Key points discussed include:

- Definition of Weird: Batsov begins by defining "weird" as something unusual or strange, contrasting it with Ruby's elegance and simplicity.

- Popular Weird Features: The presentation identifies several features considered weird, such as:

- Monkey Patching: The ability to modify existing classes in Ruby dynamically.

- Open Classes: Classes in Ruby can always be modified and extended.

- Blocks, Procs, and Lambdas: Handling of closures and return behavior can be complex.

- Method Missing: A powerful dynamic method that allows the handling of calls to methods that are not defined.

- Flexible Syntax: Ruby's interpretation of syntax can lead to unexpected results.

- Implicit Returns: Some Ruby expressions can return values without an explicit return statement.

• Fun Examples: Batsov illustrates his points with various code snippets and examples, such as the peculiarities of adding and modifying strings and the behavior of iterators in unexpected contexts.
• Cultural References: Throughout the talk, he includes relatable anecdotes and references to Italian culture, enhancing engagement while grounding some of the concepts discussed in familiar experiences.

The presentation culminates in a reminder to keep Ruby weird and to embrace its unique properties that contribute to both its charm and its challenges. Batsov concludes on a light-hearted note, emphasizing that while features may seem strange, they can enhance creativity and flexibility in coding.

The session is designed to not only inform Ruby developers of the language's quirks but also entertain them, making them appreciate the nuances of working with Ruby in both professional and creative contexts.