Machine To Machine is having a relevant impact on 3PL and supply chain services companies. M2M acts as an intermediary on this process, this gathers and analyzes a big amount of data in real-time and take decisions based on this. For example in product restocking, vending machines alert distributors when any product is running low, this is extremely useful for the supply chain management. Everything you need is an online network and a software able to gather, interpret data and act base on this analysis

3PL has been greatly empowered by today's technologies. GPS tracking and tracing enable real-time insights to delivery and location.
Through deeper integration into the overall workflow, transportation and logistics are even more critical at getting the right product to match the demand/customer interest, at an optimized cost.
JIT manufacturing tuned to those same insights means tremendous savings and agility for the builder/seller organizations so that nothing collects dust and few items go obsolete.
Those are just a few quick thoughts. There's a lot more, but as a first comment in this thread, hopefully that helps and stokes a few fires...

The impact of technology on the service delivery in the 3PL and supply chain services operations can not be over emphasized.
These has impacted more positively on the operations and service delivery a great way. From the ordering stage to the delivery has been improved through enhanced ordering, security, tracking and monitoring, delivery, temperature control sysytem etc.
The real-time information gathering, timeliness, handling, cost reduction and asset optimization has added value to products and services delivered.
Time, capital and space is been save in the deployment of technology for this purpose
The interest of end users and production by manufactures is been seamlessly matched and satisfaction has been meet to a larger extent.
As technology is been enhanced, the driving force for better ways of doing things in the supply chain industry is also enhanced. Thus, it is getting better.

One of the ways in which providers have greatly increase the velocity of goods movement to the customer is through the ever increasing use of AI. Predictability Analysis of customer data has caused goods to move without customer orders. The optimization associated with shortening the lead time from order to delivery by moving goods on transportation modes already dedicated to existing orders allows 3PL's to maximize their existing distribution channels. Much time and effort has been put into manufacturing in the last 20 years reducting the lead time once the order has been secured. Analysis of end item customers ordering habits increase forecast accuracy lowering the overall inventory of goods across the board eliminating stranded inventory and decreasing transportation cost. Although retail has driven this initially it is creeping into the production of all goods and services.

AI and Industry 4.0 has a raising impact on the supply-chain. On the administrative side, automated vendor control check real-time databases to raise potential red flags related finances or compliance.

Self-driving trucks can replace human drivers and furthermore extend driving hours and even maximize just-in-time delivery.

Some of the Key Performance Indicators that we use to measure success and efficiency are as follows:
Order Fill Rate
Unit Fill Rate
Line Fill Rate
% in stock
Backorder value trend
# of new product launches vs plan
Forecast Error
Finished good inventory value
Inventory osolescence
OTIF