The world as we know it is constantly evolving through the continuous advancements in technology. Every day brings a fresh harvest of innovations and improvements to existing concepts, making the world of technology a fascinating and ever-changing landscape. But with the sheer volume of information and speed at which this occurs, how can one stay informed about the latest and greatest trends and developments? Enter: Technology Newsletters.

Technology Newsletters, in essence, are periodic, digital publications that serve as a curated compendium of the latest happenings in the technological sphere. They are a highly effective means to stay connected and updated in this fast-paced, technology-driven era.

The structure of a technology newsletter is traditionally divided into various sections that include but are not limited to: the latest news, feature stories, interviews, product reviews, upcoming events, and sometimes even job postings related to the technology industry. This comprehensive structure ensures that readers receive a broad overview of the ongoing trends, making it a valuable tool for anyone interested in keeping their finger on the pulse of technological evolution.

One of the primary reasons for the rise of technology newsletters is the convenience they offer. They arrive directly in the subscriber's inbox at regular intervals, allowing them to stay informed without having to actively seek out the information. This unobtrusive method of information delivery is particularly appealing to those who wish to stay updated yet find the task of sifting through numerous websites and forums daunting and time-consuming.

Moreover, technology newsletters have the added advantage of curating information tailored to the preferences of the reader. Many newsletters offer personalisation options where subscribers can choose the kind of content they're interested in, ensuring a focus on quality over quantity. This targeted information delivery is a significant departure from the one-size-fits-all approach of traditional media and makes it easier for readers to engage with relevant content.

There is also the element of trust that comes with subscribing to a technology newsletter. Publications with a reputation for providing accurate, insightful, and timely information attract a dedicated following, further enhancing the value of these newsletters. This trust fosters a sense of community, making the reader more likely to engage with the content, share it, and even contribute to it.

In a nod to the principle of Fitts's Law, which posits that the time required to move to a target area is a function of the distance to the target and the size of the target, technology newsletters decrease the 'distance' by delivering news directly to the reader and increase the 'target size' by curating the most relevant content. This enhances the accessibility and efficiency of information consumption, saving the reader's most valuable commodity: time.

However, this does not imply that technology newsletters are without their drawbacks. The rise of these newsletters has also given birth to a phenomenon known as 'inbox fatigue'. Consequently, the challenge for newsletter creators is to consistently deliver content that is of high enough quality to engage the readers and prevent them from unsubscribing.

Another limitation is the filter bubble effect, a concept introduced by internet activist Eli Pariser. Personalised content can lead to an echo chamber where readers are only exposed to information that aligns with their existing views and interests, thereby limiting their exposure to a wide range of information.

In conclusion, technology newsletters can serve as a valuable tool in navigating the vast sea of technological advancements, provided they are used judiciously. Their curative potential, direct delivery, and tailored content make them an efficient medium for staying updated in this fast-paced, technology-driven era. However, readers should be mindful of 'inbox fatigue' and the 'filter bubble effect' to ensure a broader perspective and avoid over saturation. After all, the aim is to use technology to our advantage and not let it overshadow our ability to think critically and broadly - a sentiment no doubt echoed through the hallowed halls of Harvard.