William Dudley’s Consolidated Blog and Compilation

NOTE TO READERS: I’ll still be adding older posts as well as a few newer posts to complete the full compilation. I’ll also be updating various elements on this site from time to time. Apologies for any weirdness you may see.

While I’ve been in the mobile messaging space for over 20 years now, I’ve only been posting blogs articles since 2007. During that time, I’ve been fortunate enough to work for a single entity that is now Sinch. Since my posts have been on Sybase, SAP, and now Sinch platforms, as well as several other third-party outlets, a lot of historical work tends to get lost.

I’ve created this site to provide a single location for all of my published pieces — including some of the older pieces (prior to 2011) that are no longer online. When possible, I’ll also include links to the original or current locations, but the entire postings will also be here. I should note that, in many cases, some of the older posts may have outdated or broken links or links to other blog postings in their original locations.

Going forward, I’ll continue to cross-post here when content is posted on my current employer, Sinch. In some cases, new content will be exclusive to this site.

Feel free to explore and and please subscribe for notifications as to when new content is published.

Recent Content


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The case for Consent in Messaging

Consent in messaging is extremely important. But consent doesn’t just apply to political texting, but to also those who send business texts.  More and more, carriers are requiring that any non-person-to-person texting requires explicit consent. This means business texting as well as political and non-profit. 

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Mitigating fraudulent SMS for P2P messaging

SMS messaging has been going strong for nearly 30 years. Today, application to person (or A2P SMS) as well as person-to-person (or P2P SMS) enjoys a 98% open rate within the first few minutes of receipt. That’s what makes it so popular with businesses and end-users alike. Sadly this beloved reputation has led fraudsters to take advantage of SMS. They use it to send dishonest, abusive, and unwanted messages – messages that threaten to disrupt the clean and feature-rich capabilities of SMS we’ve all come to rely on.

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Understanding the Mobile Messaging Ecosystem for Political Campaigns

Over the last decade, texting has become a key channel for political candidates, as well as PACs, committees, and other political organizations to reach constituents, voters, donors, volunteers and more. Now, more than ever, mobile messaging is playing a central role in spending campaign funds, as our economy is now, more than ever, mobile centric.  The 2020 US presidential elections resulted in over 2.126 billion political text messages through 20 November 2020, per statistics from RoboKiller. And why not?  With open rates around 95%, text messaging has always been a key channel for businesses and brands to reach consumers.  Political campaigns and related organizations want to leverage this type of efficacy as much as possible. 

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Are we about to see a new round of Messaging Interoperability?

Now the European Union recently announced a rule in the Digital Markets Act (DMA) to require messaging app developers to enable their apps to interoperate – that is, to make them work together.  For example, if I’m a WhatsApp user, my message might be received by an iMessage user, if that user does not use WhatsApp. Additionally, if I’m an Android user with RCS, my message could be received by a Telegram user or even an iMessage user.  There could be endless combinations.

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And Just Like That: It’s the 2022 Mobile Industry Predictions with a 2021 Assessment

As we’ve done for the past years, I am happy to offer my 2022 mobile industry predictions along with a somewhat objective (or subjective in that I wrote them!) assessment of the previous years’ projections for this dynamic industry.  Here we are once again.  This year will be my 15th consecutive year of predictions and assessments.

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20 Years of SMS Interoperability

Text messaging through Short Message Service (SMS) is now ubiquitous and universal. Today, virtually every subscriber in the world has access to simple text messaging. Some say that it is old and out of date, but this simple messaging concept has been and still is the most widely penetrated medium in the history of humankind.

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The fight on phishing – why it’s time to use multi-factor authentication

Ransomware and cyberattacks increased in 2020, and continue to increase in 2021. Almost every day, we read news stories about some company or organization falling victim to cyberattacks. The May 7th Colonial Pipeline ransomware attack disrupted pipeline operations and fuel supplies to much of the U.S. East Coast for several days. The attack resulted in fuel shortages and higher prices for consumers. Fuel prices in some regions, as of this writing, still have not recovered to their pre-attack levels. 

The Colonial Pipeline attack was traced to a leaked password that had access to a VPN, which was used to access the company’s servers per a Bloomberg report. Without multi-factor authentication (MFA) enabled, it was easy for the bad guys to gain access – even with an old account that was no longer in use! 

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Podcast on GBU Innovation

Recently, I sat down with Pat Flynn and recorded an GBU Innovation podcast with him. This was posted on May 31, 2021 on the GBU Innovation site. We had a great conversation which covers much of my work in the early days of SMS messaging in the North American market and even back to the…

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Why RCS isn’t going anywhere (and you should get onboard)

Over the last 20+ years, we’ve all seen the headlines predicting the demise of SMS messaging. 

Yet, here we are in May 2021, and SMS is still a powerhouse messaging channel. In many markets, SMS is still the leading Person-to-Person messaging channel. And throughout the world, it remains one of the, if not the, most popular business messaging channels.  We’re now seeing RCS starting to face similar headlines.

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