# The Logbook

###### Case Studies

Chronicling our journey. Every day, we’re hard at work tackling problems, releasing features and launching products.

## Articles

### The world of ancillaries for tour operators: lessons from airlines and beyond

### How travel marketers can use ancillaries to improve NPS—and vice versa!

### Where fintech and travel ancillaries converge: Lessons in e-commerce conversion

### Problems accessing the Türkiye eVisa website? You’re not alone

### 5 common mistakes made on eVisa applications—and how they can be avoided

### 6 ways that biometrics are removing friction from the travel experience

### US lifts requirement for pre-departure testing

### How we’re approaching the monkeypox outbreak

### The US is increasing the ESTA application fee. Here’s what our partners need to know.

### The European Commission has announced plans to digitalize the Schengen visa process

### New entry date announced for ETIAS
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### Holiday travel is coming. Here's what the industry can expect this season

### America's reopening: What it means for airlines and travellers

### Adding domestic travel restrictions

### Sherpa˚ supports new languages